mechanical expander 中文意思是什麼
mechanical expander
解釋
機械定型機- mechanical : adj 1 機械的；機械制的。2 機械學的，力學的；物理上的（opp chemical）。3 機工的，技工的；自動的；...
- expander : 襯環
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Abstract : main aspects concerning the mechanical cold expander for straight weld pipes located at zhujiang steel tube co., ltd., panyu, guangdong province are described, including working principle, structural features and process operation sequence. also described are the author ' s own comments on several specific issues with respect to the development of the mill
文摘:簡要介紹了廣東番禺珠江鋼管有限公司大口徑直縫焊管生產用機械式冷擴徑機的工作原理及結構特點、工藝運行程序，並對在研製過程中的幾個具體問題闡述了自己的觀點。
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