“NPTF”可以造什么句,NPTF造句
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另一方面,NPTF螺纹的设计用于保*在整个牙形上产生足够的变形以生成这种机械密封。
On the other hand, NPTF threads are designed to ensure that sufficient crushing of the entire thread form will take place to produce a mechanical seal.
当密封要求严格时,密封剂可能由于高温高压会失效,这时可以采用NPTF干密封螺纹。