911chaxun查询·英语单词大全
1. 粉剂：dusting 喷粉法 | dusts 粉剂 | dwarf 矮缩
1. It takes clean natural gas as fuels and recycles waste gas and discharges no dusts.
2. dusts
2. But the dusts are expected to be dispersed late Sunday night, said the expert.
3. Precision equipments shall be properly sealed from being affected by the dusts.
4. Initial investigation showed the explosion might be triggered when metal dusts met fire.