maximum allowable concentrations造句

例句与造句

1. macs maximum allowable concentration
   最高允许浓度
2. maximum allowable concentration
   最大容许浓度
3. maximum allowable concentration
   最大容许浓度
4. maximum allowable concentration of pollutants in atmosphere for protection crops
   保护农作物的大气污染物最高允许浓度
5. It's difficult to find maximum allowable concentrations in a sentence. 用maximum allowable concentrations造句挺难的