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r90048song:是的,光源發(fā)散角53度 (2017-08-23 09:25) <Kd(fFe
caidao737:您的傳播距離上20米以內(nèi)?光源尺度為12-14mm? (2017-08-22 15:10) b_0THy.Z
r90048song:光斑直徑7mm (2017-08-14 17:07) dbp\tWaW
caidao737:TRD是什么意思? (2017-08-14 06:52) 3CCs_AO