四虎国产精品永久一区

重慶智能影音
您當前的位置 : 首 頁 > 新聞中心 > 行業資訊

聯系我們Contact Us

重慶皇創智能科技有限公司

聯系電話(hua): 023-62624488

聯(lian)系手機: 13752965309

公司網址:dilianwedding.com

公司地址:

體(ti)驗館一:重慶渝北紅星(xing)美凱龍(long)至尊Mall店(dian)六樓(lou)-皇創智能影音光環境(jing)

體驗館(guan)(guan)二:重慶渝北冉家(jia)壩北環紅星美凱龍(long)4樓(兄弟裝飾旁)-Aqara Home智能家(jia)居(ju)體驗館(guan)(guan)

體驗館三:重慶江(jiang)津紅(hong)星(xing)美凱龍側(ce)金街7棟2-11(江(jiang)津紅(hong)星(xing)美凱龍智能(neng)體驗中心)

專業音響工程施工技術

2021-04-08 17:04:49

1.工(gong)程技(ji)術的特點:

由于四虎國產精品永久一區:重慶音響工程技術是匯集了多頂學科知識的一項綜合技術,它隨著專業音響相關技術的發展而發展的。尤其是音響燈光設備的性能和檔次越來越高,專業四虎國產精品永久一區:音響工程技術的重要性就越來越強,作一個比喻:四虎國產精品永久一區:音響工程施工好比裁縫在剪裁一件衣服,專業音響設備好比衣服的面料,市場上什么樣的面料誰都可以買到,可是好的裁縫能將一般的面料發揮出它的大特點,做成一件好衣服;而再好的面料拿給一個蹩腳的裁縫,他也做不出一件象樣的衣服。專業音響工程施工就好似這樣,同樣的造價,不同的設計,工程質量會有高低之分;同樣的設備,不同的設施,工程質量也會有高低之分。

音響工程

歸納起來(lai)音響(xiang)工(gong)(gong)(gong)(gong)(gong)程(cheng)的(de)(de)特點(dian):工(gong)(gong)(gong)(gong)(gong)程(cheng)量不大(da)(da),但工(gong)(gong)(gong)(gong)(gong)程(cheng)技(ji)(ji)(ji)術(shu)(shu)含量高;工(gong)(gong)(gong)(gong)(gong)程(cheng)靈(ling)活(huo)性強,但承擔的(de)(de)責任重(zhong)(zhong)。要(yao)(yao)(yao)說(shuo)專業(ye)音響(xiang)工(gong)(gong)(gong)(gong)(gong)作量,行內(nei)的(de)(de)技(ji)(ji)(ji)術(shu)(shu)人員都知道:一(yi)個中(zhong)型的(de)(de)工(gong)(gong)(gong)(gong)(gong)程(cheng),順利的(de)(de)話有一(yi),二百(bai)個工(gong)(gong)(gong)(gong)(gong)時(shi)就(jiu)足夠了(le)(le);稍(shao)大(da)(da)型的(de)(de)工(gong)(gong)(gong)(gong)(gong)程(cheng)幾百(bai)個工(gong)(gong)(gong)(gong)(gong)時(shi)也(ye)就(jiu)能完(wan)成(cheng),所以相比于其他行業(ye)的(de)(de)工(gong)(gong)(gong)(gong)(gong)程(cheng)來(lai)說(shuo)工(gong)(gong)(gong)(gong)(gong)程(cheng)量確(que)實不大(da)(da)。但是(shi)(shi)在這不大(da)(da)的(de)(de)工(gong)(gong)(gong)(gong)(gong)程(cheng)里(li)卻包含了(le)(le)較高的(de)(de)技(ji)(ji)(ji)術(shu)(shu)含量,需(xu)要(yao)(yao)(yao)嚴格的(de)(de)設計與選型,需(xu)要(yao)(yao)(yao)合格的(de)(de)預埋,穿管技(ji)(ji)(ji)術(shu)(shu);需(xu)要(yao)(yao)(yao)可靠的(de)(de)焊接技(ji)(ji)(ji)術(shu)(shu);需(xu)要(yao)(yao)(yao)科學的(de)(de)調試(shi)檢測手段(duan)等等,要(yao)(yao)(yao)說(shuo)工(gong)(gong)(gong)(gong)(gong)程(cheng)的(de)(de)靈(ling)活(huo)性強也(ye)是(shi)(shi)事實,音響(xiang)工(gong)(gong)(gong)(gong)(gong)程(cheng)受客(ke)觀因素的(de)(de)制約不是(shi)(shi)太(tai)大(da)(da),反(fan)倒是(shi)(shi)用戶或裝飾單位一(yi)般要(yao)(yao)(yao)盡量的(de)(de)滿足音響(xiang)工(gong)(gong)(gong)(gong)(gong)程(cheng)提出(chu)的(de)(de)要(yao)(yao)(yao)求(qiu),但是(shi)(shi)在這些(xie)靈(ling)活(huo)性里(li)也(ye)包括了(le)(le)重(zhong)(zhong)大(da)(da)的(de)(de)責任,試(shi)想(xiang);動輒幾十萬(wan)(wan)上(shang)百(bai)萬(wan)(wan)的(de)(de)工(gong)(gong)(gong)(gong)(gong)程(cheng)交給你去(qu)施(shi)工(gong)(gong)(gong)(gong)(gong),如果達不到(dao)要(yao)(yao)(yao)求(qiu)或工(gong)(gong)(gong)(gong)(gong)程(cheng)質量低劣,甚至(zhi)留下工(gong)(gong)(gong)(gong)(gong)程(cheng)隱患,那要(yao)(yao)(yao)負的(de)(de)一(yi)責任就(jiu)大(da)(da)了(le)(le)。

2.工程技術的要(yao)求

作(zuo)為(wei)(wei)技(ji)(ji)(ji)術(shu)含量(liang)高,承(cheng)擔較(jiao)大責任的(de)(de)(de)(de)(de)專(zhuan)業(ye)音(yin)響(xiang)(xiang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)在施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)技(ji)(ji)(ji)術(shu)上有(you)著的(de)(de)(de)(de)(de)要(yao)求。首(shou)先,要(yao)擁(yong)有(you)合(he)格(ge)的(de)(de)(de)(de)(de)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)隊(dui)伍(wu)。國(guo)為(wei)(wei)音(yin)響(xiang)(xiang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)需要(yao)是(shi)而可靠的(de)(de)(de)(de)(de),如果沒有(you)一個合(he)格(ge)的(de)(de)(de)(de)(de)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)隊(dui)伍(wu),不(bu)(bu)(bu)(bu)光(guang)設(she)(she)計(ji)方案不(bu)(bu)(bu)(bu)能(neng)得到(dao)有(you)效(xiao)的(de)(de)(de)(de)(de)實(shi)施(shi)(shi)(shi),而且施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)質量(liang)也難以得到(dao)保(bao)證(zheng),在這只(zhi)隊(dui)伍(wu)里(li)應該有(you):具(ju)(ju)有(you)相(xiang)關技(ji)(ji)(ji)術(shu)許可證(zheng)的(de)(de)(de)(de)(de)電工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong),焊工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)以及(ji)電子(zi)技(ji)(ji)(ji)術(shu)員等,同(tong)時盡(jin)量(liang)是(shi)一些有(you)音(yin)響(xiang)(xiang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)經(jing)驗(yan)的(de)(de)(de)(de)(de)人(ren)(ren)員,這樣(yang)的(de)(de)(de)(de)(de)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)隊(dui)伍(wu)才(cai)能(neng)保(bao)證(zheng)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)順利地(di)完成(cheng)。其次,工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)要(yao)嚴格(ge)按(an)照設(she)(she)計(ji)進行(xing)。國(guo)為(wei)(wei)音(yin)響(xiang)(xiang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)是(shi)一項復雜的(de)(de)(de)(de)(de)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)受理論設(she)(she)計(ji)和施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)技(ji)(ji)(ji)術(shu)的(de)(de)(de)(de)(de)影響(xiang)(xiang)較(jiao)大,如果在工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)中憑想象憑經(jing)驗(yan)地(di)蠻干,肯定(ding)會(hui)帶來不(bu)(bu)(bu)(bu)良的(de)(de)(de)(de)(de)后(hou)果,而設(she)(she)計(ji)是(shi)在充分(fen)地(di)了解了各種情況(kuang)并進行(xing)了一系列計(ji)算后(hou)完成(cheng)的(de)(de)(de)(de)(de),需要(yao)成(cheng)為(wei)(wei)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)進行(xing)的(de)(de)(de)(de)(de)依(yi)據。工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)需要(yao)按(an)照相(xiang)應的(de)(de)(de)(de)(de)技(ji)(ji)(ji)術(shu)規范進行(xing)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)。音(yin)響(xiang)(xiang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)在施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)時會(hui)涉及(ji)到(dao)不(bu)(bu)(bu)(bu)同(tong)的(de)(de)(de)(de)(de)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)種,這些工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)種的(de)(de)(de)(de)(de)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)技(ji)(ji)(ji)術(shu)要(yao)求和措(cuo)施(shi)(shi)(shi)不(bu)(bu)(bu)(bu)盡(jin)相(xiang)同(tong),只(zhi)有(you)認真地(di)執行(xing)這些技(ji)(ji)(ji)術(shu)規范,才(cai)能(neng)保(bao)證(zheng)各個施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)環(huan)節(jie)的(de)(de)(de)(de)(de)質量(liang),才(cai)能(neng)保(bao)證(zheng)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)人(ren)(ren)員的(de)(de)(de)(de)(de),至于具(ju)(ju)體的(de)(de)(de)(de)(de)技(ji)(ji)(ji)術(shu)細節(jie)和注意事(shi)項,筆(bi)者(zhe)曾在《音(yin)響(xiang)(xiang)技(ji)(ji)(ji)術(shu)》雜志上專(zhuan)門進行(xing)過敘(xu)述,這里(li)就不(bu)(bu)(bu)(bu)再另行(xing)分(fen)析。

3.工程施(shi)工的步驟

(1)首先要進行管線和掛接件的預埋。

管(guan)線(xian)(xian)(xian)和掛(gua)接(jie)件(jian)的(de)(de)預(yu)(yu)埋(mai)(mai)一般需(xu)要(yao)(yao)(yao)在工(gong)(gong)程項(xiang)目確(que)(que)(que)定后就(jiu)應該馬上開始,因(yin)為通常來(lai)講,預(yu)(yu)埋(mai)(mai)的(de)(de)管(guan)線(xian)(xian)(xian)主(zhu)要(yao)(yao)(yao)都(dou)在沒有(you)搭建的(de)(de)舞臺(tai)里(li)(li)、或沒有(you)裝(zhuang)(zhuang)(zhuang)(zhuang)飾(shi)(shi)的(de)(de)地面豚墻面里(li)(li),如果不及(ji)時(shi)進行預(yu)(yu)埋(mai)(mai),就(jiu)很容易影(ying)響(xiang)裝(zhuang)(zhuang)(zhuang)(zhuang)飾(shi)(shi)工(gong)(gong)程的(de)(de)進度(du)(du),同時(shi)需(xu)要(yao)(yao)(yao)引(yin)起重視的(de)(de)是(shi)預(yu)(yu)埋(mai)(mai)管(guan)線(xian)(xian)(xian)的(de)(de)出口(kou)要(yao)(yao)(yao)協同裝(zhuang)(zhuang)(zhuang)(zhuang)飾(shi)(shi)部門處理(li),否則有(you)可(ke)能由于處理(li)不當而(er)影(ying)響(xiang)裝(zhuang)(zhuang)(zhuang)(zhuang)飾(shi)(shi)的(de)(de)美觀;掛(gua)接(jie)件(jian)的(de)(de)預(yu)(yu)埋(mai)(mai)位置和吊裝(zhuang)(zhuang)(zhuang)(zhuang)強度(du)(du)要(yao)(yao)(yao)得(de)到建筑技術人員確(que)(que)(que)認(ren),否則性無法得(de)到保證,通常,需(xu)要(yao)(yao)(yao)埋(mai)(mai)設(she)在水泥(ni)結構里(li)(li)的(de)(de)管(guan)線(xian)(xian)(xian)要(yao)(yao)(yao)選(xuan)擇質(zhi)量(liang)好(hao)些的(de)(de)鋼(gang)管(guan),口(kou)徑(jing)(jing)按照(zhao)所(suo)(suo)穿(chuan)的(de)(de)線(xian)(xian)(xian)纜(lan)多(duo)少來(lai)決(jue)定;穿(chuan)過(guo)頂棚、裝(zhuang)(zhuang)(zhuang)(zhuang)飾(shi)(shi)墻體(ti)的(de)(de)管(guan)線(xian)(xian)(xian),一般選(xuan)用鐵制或防火(huo)PVC線(xian)(xian)(xian)槽,主(zhu)要(yao)(yao)(yao)是(shi)穿(chuan)線(xian)(xian)(xian)施工(gong)(gong)方(fang)便,容納的(de)(de)線(xian)(xian)(xian)纜(lan)量(liang)較大(da),又能防火(huo);對(dui)于埋(mai)(mai)設(she)距離較長的(de)(de)管(guan)線(xian)(xian)(xian),要(yao)(yao)(yao)在的(de)(de)距離開設(she)檢修口(kou),需(xu)要(yao)(yao)(yao)注意的(de)(de)是(shi),預(yu)(yu)埋(mai)(mai)管(guan)線(xian)(xian)(xian)的(de)(de)工(gong)(gong)作(zuo)幾乎(hu)是(shi)無法更改(gai)的(de)(de),一旦決(jue)定了在什么地方(fang),埋(mai)(mai)多(duo)少,怎么埋(mai)(mai),而(er)且預(yu)(yu)埋(mai)(mai)完工(gong)(gong)后,要(yao)(yao)(yao)想更改(gai)就(jiu)不太可(ke)能了,所(suo)(suo)以預(yu)(yu)埋(mai)(mai)前要(yao)(yao)(yao)認(ren)真地分析設(she)計,明確(que)(que)(que)設(she)備的(de)(de)數量(liang)、位置、供電情況及(ji)控制方(fang)式,在此基礎上提(ti)出準確(que)(que)(que)的(de)(de)管(guan)線(xian)(xian)(xian)數量(liang)、口(kou)徑(jing)(jing)和走向。

(2)其次(ci)要進行各種棚,架的(de)焊(han)接和安裝。

這項工(gong)作盡(jin)量與裝(zhuang)(zhuang)飾(shi)工(gong)程(cheng)(cheng)交叉進(jin)行,因為在施工(gong)中(zhong)難免開(kai)啟一(yi)(yi)些(xie)(xie)孔洞(dong)以及對已(yi)有(you)(you)的(de)(de)裝(zhuang)(zhuang)飾(shi)物產生破壞,這些(xie)(xie)都需(xu)要(yao)裝(zhuang)(zhuang)飾(shi)部門協助完成(cheng),在焊(han)接(jie)的(de)(de)過(guo)程(cheng)(cheng)中(zhong),要(yao)讓具有(you)(you)焊(han)接(jie)資格(ge)的(de)(de)工(gong)人(ren)操作,這樣(yang)(yang)做(zuo)除了(le)方(fang)式的(de)(de)要(yao)求外,主要(yao)是焊(han)接(jie)質量直(zhi)接(jie)關系到棚架的(de)(de)吊(diao)裝(zhuang)(zhuang)強度,不能(neng)馬虎,同(tong)時(shi),因為焊(han)接(jie)施工(gong)通常都是與裝(zhuang)(zhuang)飾(shi)工(gong)程(cheng)(cheng)同(tong)時(shi)進(jin)行的(de)(de),現場會有(you)(you)一(yi)(yi)些(xie)(xie)易燃(ran)物,所(suo)(suo)以施工(gong)中(zhong)要(yao)注(zhu)意(yi)防(fang)火,待焊(han)接(jie)牢固(gu),油(you)漆完成(cheng)后,就應該開(kai)始這些(xie)(xie)棚安裝(zhuang)(zhuang)了(le),安裝(zhuang)(zhuang)的(de)(de)性同(tong)樣(yang)(yang)非常重要(yao),需(xu)要(yao)有(you)(you)建筑(zhu)技術人(ren)員(yuan)比(bi)較充(chong)足的(de)(de)時(shi)候才能(neng)開(kai)始吊(diao)裝(zhuang)(zhuang);所(suo)(suo)有(you)(you)的(de)(de)安裝(zhuang)(zhuang)件都需(xu)要(yao)增設(she)可(ke)靠的(de)(de)保(bao)護措施,這樣(yang)(yang)的(de)(de)安裝(zhuang)(zhuang)才有(you)(you)的(de)(de)保(bao)證(zheng)。

(3)再下面就要進行各種線纜(lan)的(de)鋪設。

這項工作雖然比較簡單,但是(shi)(shi)也(ye)應該認(ren)真(zhen)進(jin)(jin)行,特別是(shi)(shi)穿(chuan)管這一項,容不(bu)得一點馬虎(hu),鋪(pu)(pu)設線纜(lan)(lan)(lan)道(dao)德要(yao)(yao)掌(zhang)握(wo)合(he)理(li)的(de)方法,例如穿(chuan)管時(shi)鋼絲(si)與要(yao)(yao)穿(chuan)的(de)線纜(lan)(lan)(lan)應該捆扎(zha)牢固,扎(zha)頭要(yao)(yao)得減小(xiao)阻力,涂抹少量的(de)潤滑油(you);其次線纜(lan)(lan)(lan)損(sun)壞(huai)(huai)或錯亂的(de)麻煩;再者就(jiu)是(shi)(shi)要(yao)(yao)在線纜(lan)(lan)(lan)鋪(pu)(pu)設時(shi)認(ren)真(zhen)對線纜(lan)(lan)(lan)進(jin)(jin)行檢(jian)查,象外皮是(shi)(shi)否(fou)破裂,屏蔽層是(shi)(shi)否(fou)損(sun)壞(huai)(huai)以及芯線是(shi)(shi)否(fou)斷裂等(deng)等(deng);要(yao)(yao)在鋪(pu)(pu)設的(de)線纜(lan)(lan)(lan)上做好明(ming)顯的(de)標(biao)記,以備安裝設備和日后檢(jian)修時(shi)使用。

(4)再后面應該(gai)進行(xing)各種(zhong)設備(bei)的安裝(zhuang)

設(she)(she)(she)備的(de)(de)安(an)裝(zhuang)(zhuang)(zhuang)(zhuang)需(xu)(xu)要(yao)在裝(zhuang)(zhuang)(zhuang)(zhuang)飾完(wan)(wan)工、線纜鋪設(she)(she)(she)正(zheng)確(que)后進(jin)行(xing),國(guo)為音響燈(deng)光的(de)(de)設(she)(she)(she)備不僅價格較貴,而(er)且(qie)(qie)許(xu)多設(she)(she)(she)備需(xu)(xu)要(yao)避免塵土的(de)(de)沾染(ran),裝(zhuang)(zhuang)(zhuang)(zhuang)飾工程凌亂的(de)(de)現(xian)場是不適合安(an)裝(zhuang)(zhuang)(zhuang)(zhuang)設(she)(she)(she)備的(de)(de),設(she)(she)(she)備的(de)(de)安(an)裝(zhuang)(zhuang)(zhuang)(zhuang)首先應該注(zhu)意開箱(xiang)時要(yao)仔(zi)細檢查,因為許(xu)多國(guo)外設(she)(she)(she)備的(de)(de)包(bao)裝(zhuang)(zhuang)(zhuang)(zhuang)非常規范,有一些(xie)重要(yao)的(de)(de)備件或(huo)說(shuo)(shuo)明書可能單獨隔離在包(bao)裝(zhuang)(zhuang)(zhuang)(zhuang)盒的(de)(de)底層(ceng),很容易(yi)在拆箱(xiang)時隨包(bao)裝(zhuang)(zhuang)(zhuang)(zhuang)盒一起(qi)扔掉;其(qi)次(ci)設(she)(she)(she)備安(an)裝(zhuang)(zhuang)(zhuang)(zhuang)前(qian)應該認真閱讀(du)產(chan)品說(shuo)(shuo)明書,以掌握正(zheng)確(que)的(de)(de)安(an)裝(zhuang)(zhuang)(zhuang)(zhuang)方法、步(bu)驟。例如;許(xu)多電腦燈(deng)的(de)(de)燈(deng)泡(pao)和(he)鍍膜玻璃都要(yao)求佩帶棉(mian)線手套安(an)裝(zhuang)(zhuang)(zhuang)(zhuang),不允許(xu)直接用手去接觸;設(she)(she)(she)備安(an)裝(zhuang)(zhuang)(zhuang)(zhuang)要(yao)牢固,保(bao)護措要(yao)完(wan)(wan)備,特別是燈(deng)光設(she)(she)(she)備,位置高、重量(liang)大而(er)且(qie)(qie)以常運(yun)動,一般又(you)在舞臺或(huo)舞池(chi)的(de)(de)上方,所以需(xu)(xu)要(yao)確(que)保(bao)。

最近(jin)瀏覽: