dust sampling meter
... rain sampler降水收集器;雨水取样器;降水域网络器 dust sampler粉尘采样器;灰尘取样器;粉尘采样仪 crude sampler原油采样器;原油取样器 ...
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... dust sampler 粉尘采样仪 dust sampling meter 粉尘采样仪 dust separation 除尘 ...
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智能粉尘采样仪 Automatic Dust Sampler
选择非石雕功课工人60人作为对照组：运用噪声仪测定工作情况噪声以及粉尘采样器测定粉尘浓度状况。
Choose a stone homework workers 60 people as control group: use noise meter measuring work environment noise and dust sampler determination of dust concentration.
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