... 有害物质浓度：concentration of harmful substance 有害微粒：hazardous particle 有害气体，秽气，不凝性气体：foul gas ...
双语例句
1
IONEX portable fume control units are a series of adsorbing systems which provide the means of achieving airborne hazardous contaminant removal in gas streams not requiring particle filtration.
IONEX便携式烟雾控制系统是一系列吸收系统，可将空中运动的有害性污染物移出，而不需要微粒过滤。
2
The aerosol particle spectrum is consisted of some dispersed phases of small size particle whose distribution is narrow and is hazardous for inhalation.