Pre-treatment

英 [p'riːtr'iːtmənt] 美 [p'riːtr'iːtmənt]

• 预处理

pre-treatment的用法和样例：

例句

1. The first two operations can be accomplished during the preliminary and primary treatment.
   头两道工序能在预处理和一级处理中完成。
2. Initial Surface Treatment for Steel Plates should be according to the following methods.
   对钢板预处理按以下方法进行。