- By ttsing the terms of controlled emission source intensity and reck less emission source intensity,the reduction of dust amount after retrofit was calculated,the d...
- The main reason is dusting amount is too small, the paper lmfbr too high ink curing is too slow.
- The motor car disappeared in eddy of dust.
- The forest will act as a defense against desert dust.
- The car raised quite a dust as we drove off.
- A filter traps dust from the air.