声级计（噪音计）SL5856 SL5856 上海康登电气科技有限公司

p1Src=//y1.yzimgs.com/uploads/507859/201688-16538401.png&p2Src=//y1.yzimgs.com/uploads/507859/201688-1654288.png&p3Src=//y3.yzimgs.com/uploads/507859/201688-16546603.png"