短語(yǔ)詞組短語(yǔ)forged steel backing roll 鍛鋼支承輥steel backing copper bush 鋼背銅套cast steel backing roll 鑄鋼支承輥Steel Backing Plate 鋼背板Stainless Steel Backing Paper 不銹鋼襯紙steel -cast backing roll 鑄鋼支承輥compound steel -cast backing roll 復(fù)合鑄鋼支承輥The Backing Steel Materials 基材常用牌號(hào) 返回 steel backing