GI STEEL COIL 和 PO STEEL COIL 和EG STEEL COIL
GI STEEL COIL 和 PO STEEL COIL 和EG STEEL COIL
Galvanized steel coil和 GI Sheet有什么区别?
PVC laminiated steel coil 是什么产品?
我是做热镀锌薄板的,刚刚接触这一行,coil和steel plate的区别.
钢材英语翻译stainless steel cold rolled coil (mainly sus430)
coil
We are looking for 18 and 20 gauge Galvanized Steel Coil
steel
"Secondary steel GI,EG, CR, HR. HDG, PPGI, CRNGO, steel shee
请问有谁知道coil OD ,coil
of Nominal Coil Voltage
coil什么意思