Professional steel sales: Heat opened plate, plate, manganese plate, screw, wire rod, H-beam, the angle channel steel and other steel products.是什么意思_Professional steel sales: Heat opened plate, plate, manganese plate, screw, wire rod, H-beam, the angle channel steel and other steel products.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句