六通道尘埃粒子计数器 TES-5110 珠海天创仪器有限公司

p1Src=//y1.yzimgs.com/uploads_old/335221/2015063018134399_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/335221/2015063018134417_old.jpg