“smoke dust”簡單造句，smoke dust造句子

2、purification technology of the lead smoke dust of the printing house

1、The discharge amount of the smoke dust hit 10.591 tons.

3、The plan design of smoke dust collecting system in hot strip finishing rolling in Hot Strip Workshop of No.

5、The amount of the industrial smoke dust discharge is 8.412 million tons and the amount of the daily lives is 2.179 million tons.

4、The electrostatic precipitation electrostatic agglomeration process is used for purifying the harmful gas and smoke dust from an aluminum cell of self baked anode.