lubricating press

• 油泵,润滑油压入器

lubricating press的用法和样例：

例句

1. The oil pump in the lubricating system draws oil from the oil pan and sends it to all working parts in the engine.
   润滑系统中的机油泵从油底壳抽取油并把油输送到发动机内全部正在工作的部分。