mandrel steel 中文意思是什麼
mandrel steel
解釋
芯棒鋼-
Pan head break mandrel blind rivets, in stainless steel material
不銹鋼平圓頭抽芯鉚釘 -
120 countersunk head break mandrel blind rivets, in stainless steel material
不銹鋼120沉頭抽芯鉚釘 -
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。
分享友人