emulsion cutting oil

例句：

1. 1. This emulsion cutting oil is perfect for use in industrial machinery.
   这种乳化剂和切削油非常适合用于工业机械。
2. 2. The engineer used this emulsion cutting oil to lubricate the gears.
   这位工程师用这种乳化剂和切削油来润滑齿轮。
3. 3. The cutting oil was used to prevent the metal from rusting during the cutting process.
   这种切削油被用来防止金属在切割过程中生锈。