在國外冬天騎腳踏車全副武裝
Stainless Steel - Grade 303 (UNS S30300) - Materials Science and Engineering Information | AZoM 外國冬天騎自行車出門 就靠這一套裝備啊!!2016/4/13 ·  Grade Why it might be chosen instead of 303 304 Better corrosion resistance, formability or weldability ......
全文閱讀