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螺紋,從基礎(chǔ)聊起 |
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點評
常用,比如某些機(jī)子裝配時就在裝配圖上標(biāo)著“所有螺栓均需涂厭氧膠緊固”...
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點評
能多介紹點么?雖然有原理介紹,還是不理解防松的關(guān)鍵
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