投(Tou)光(Guang)灯(Deng)是(Shi)指(Zhi)定(Ding)被(Bei)照(Zhao)面(Mian)上(Shang)的(De)照(Zhao)度(Du)高(Gao)于(Yu)周(Zhou)围(Wei)环(Huan)境(Jing)的(De)灯(Deng)具(Ju)。(?)又(You)称(Cheng)聚(Ju)光(Guang)灯(Deng)。(?)通(Tong)常(Chang),(?)它(Ta)能(Neng)够(Gou)瞄(Miao)准(Zhun)任(Ren)何(He)方(Fang)向(Xiang),(?)并(Bing)具(Ju)备(Bei)不(Bu)受(Shou)气(Qi)候(Hou)条(Tiao)件(Jian)影(Ying)响(Xiang)的(De)结(Jie)构(Gou)。(?)主(Zhu)要(Yao)用(Yong)于(Yu)大(Da)面(Mian)积(Ji)作(Zuo)业(Ye)场(Chang)矿(Kuang)、(?)建(Jian)筑(Zhu)物(Wu)轮(Lun)廓(Kuo)、(?)体(Ti)育(Yu)场(Chang)、(?)立(Li)交(Jiao)桥(Qiao)、(?)纪(Ji)念(Nian)碑(Bei)、(?)公(Gong)园(Yuan)和(He)花(Hua)坛(Tan)等(Deng)。(?)因(Yin)此(Ci),(?)几(Ji)乎(Hu)所(Suo)有(You)室(Shi)外(Wai)使(Shi)用(Yong)的(De)大(Da)面(Mian)积(Ji)照(Zhao)明(Ming)灯(Deng)具(Ju)都(Du)可(Ke)看(Kan)作(Zuo)投(Tou)光(Guang)灯(Deng)。(?)投(Tou)光(Guang)灯(Deng)的(De)出(Chu)射(She)光(Guang)束(Shu)角(Jiao)度(Du)有(You)宽(Kuan)有(You)窄(Zhai),(?)变(Bian)化(Hua)范(Fan)围(Wei)在(Zai)0°(?)~(?)180°(?)之(Zhi)间(Jian),(?)其(Qi)中(Zhong)光(Guang)束(Shu)特(Te)别(Bie)窄(Zhai)的(De)称(Cheng)为(Wei)探(Tan)照(Zhao)灯(Deng)。(?)
各(Ge)种(Zhong)产(Chan)品(Pin)订(Ding)购(Gou)热(Re)线(Xian):(?)13348826875,(?)四(Si)川(Chuan)百(Bai)世(Shi)睿(Rui)通(Tong)照(Zhao)明(Ming)科(Ke)技(Ji)有(You)限(Xian)公(Gong)司(Si)((?)睿(Rui)通(Tong)光(Guang)电(Dian))(?)全(Quan)体(Ti)员(Yuan)工(Gong)将(Jiang)竭(Jie)诚(Cheng)为(Wei)您(Nin)服(Fu)务(Wu)。(?)