pre-cleaning

pre-cleaning

美 　英

• 網絡預清洗；預清理；前清洗

例句

Is there objective evidence that the pre cleaning chemistries are being analyzed by the laboratory at the documented frequency?

是否有客觀證據說明前處理化學藥水有被化驗室按照文件規定的程序進行分析？

Good pre-cleaning with high-pressure water and soap increases the effectiveness of the phosphating operation.

用高壓水及皂液進行良好的預清洗能提高磷化作業效果。

the use of pre-cleaning the substrate surface, if there are cracks to use putty or water filled mud.

使用前清潔基材表面，如果有裂縫要用膩子或水泥漿填平。

Testing methods for grain pre-cleaning machine

糧食初清篩試驗方法