type of steels 中文意思是什麼
type of steels
解釋
鋼材牌號-
Research and development of weathering steels titanium and calcium type covered welding electrode for rolling stock
鐵道車輛用鈦鈣型耐候鋼焊條的研製 -
Epr standard test method for electrochemical reactivation for detecting sensitization of aisi type 304 and 304l stainless steels
檢測aisi304和304l型不銹鋼增感作用的電化學再活化性
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