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英汉例句

\ 注油的例句（注油在句子中的用法）

注油的例句（注油在句子中的用法）

A new method of fuel injection was developed during the war. 一种新的注油方法在战争期间发展起来。
The main reason is that cavitation erosion occurred in pervasion pipe of lubricator. 经检查发现,主要原因是注油器扩散管汽蚀,以致注油器工作不正常,润滑油压偏低.

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