photoelectric dust meter 光电量尘计 ; [环境] 光电测尘仪 ; 光电测尘器 ; 光电测尘计
Piezobalance dust meter 压电天平测尘仪
digital dust meter 数字粉尘仪
dust trash meter 灰尘废料测定仪
mine dust density meter 矿尘浓度计
powder-dust sampling meter 粉尘取样仪
dust sampling meter 粉尘采样仪
mine dust de ity meter 矿尘浓度计
dust concentration meter 烟尘浓度计
If she keeps waiting, maybe she will end up living in this ten-square - meter room until the day she bites the dust.
再等下去，也许到入土的那一天，海萍还是住在这10平方米的房子里。
During one dust storm, airborne aluminum concentrations exceeded 1,400 micrograms per cubic meter.
一场沙尘暴中，空气中的铝浓度会超过1400微克每立方米。
During one dust storm, airborne aluminum concentrations exceeded 1, 400 micrograms per cubic meter.
一场沙尘暴中，空气中的铝浓度会超过1400微克每立方米。
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