短語(yǔ)詞組短語(yǔ)High -quality Carbon Structural Steel 優(yōu)質(zhì)碳素結(jié)構(gòu)鋼high -quality low-alloyed steel 優(yōu)質(zhì)低合金鋼high quality 18 -10stainless steel 材質(zhì) 返回 high quality steel