... safe dust concentration 安全含尘浓度 mean dust concentration平均粉尘浓度 ; 粉尘平均浓度 y dust concentration y 粉尘浓度 ...
2
?粉尘平均浓度
... mean down time 平均停机(故障)时间 mean dust concentration粉尘平均浓度 mean dynamic head 平均动压头 ...
双语例句
1
This paper presents a method of measuring the particle mean size and dustconcentration by small angle near forward light scattering optics and the extinction theory.
本文综合前向小角光散理论及消光原理，提出一种测量粉尘平均粒径及粉尘浓度的光学方法。
2
Construction fugitive dust showed great impact on the ambient PM10 level in Guiyang, and contributed 12% to the annual meanconcentration of PM10 over the urban area.