mandrel mill 中文意思是什麼
mandrel mill
解釋
捲筒處于脹大狀態-
In the last twenty years, the seamless steel pipe industry in our country has been developing rapidly, since the importation of the first mandrel mill production line by baosteel from japan, various advanced types of rolling mills have been set up
近二十年來我國無縫鋼管行業發展較快,自80年代初寶鋼從日本引進第一條連軋管生產線以來,現在已擁有了各種先進型機組。
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