美國metone手持式四通道塵埃粒子計數器 metone 804 圖片

p1Src=//y1.yzimgs.com/uploads/335217/2018315-8575988.png?watermark/2/text/6IuP5bee5Zyj5YWJ5Luq5Zmo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/South&p2Src=//y1.yzimgs.com/uploads/335217/2018315-85713525.png?watermark/2/text/6IuP5bee5Zyj5YWJ5Luq5Zmo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/South"