coniscopedust counter测: survey; fathom; measure尘: dust; dirt仪: appearance; bearing光电测尘仪: photoelectric examination of dust sampler光学测尘仪: optical dust i trument; optical dust instrument下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:测尘仪，即可在微信中查询翻译
