fuel pump bush是什么意思 fuel pump bush怎么读
fuel pump bush的用法和样例
- This article recommends the process of direct quenching after carburizing for sucker rod pump liners.
介绍了抽油泵衬套渗碳后直接淬火处理工艺。 - To solve the problems with the measuring of the verticality of oil well pump liners, a simple measuring meter is designed.
为解决抽油泵衬套垂直度测量较困难的问题，根据抽油泵衬套的特点，设计了抽油泵衬套垂直度简易测量仪。
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