求翻译关于钢材 急! 谢谢!
在加拿大 34 .375 wall low carbon surface pipe 22 .375 wall low carbon conductor 14 .375 wall low carbon blank 14 .375 wall low carbon mill slotted管壁有孔 8 .312 low carbon blank 8 .312 low carbon mill slotted 1 Galvanized observation pipe 一个客...华人论坛