seamless blooms 中文意思是什麼
-
High quality carbon structural round bloom, seamless tube bloom used in high pressure boiler, alloy structural steel tube blooms are all up to the general standard
優質碳素結構鋼圓管坯，高壓鍋爐用無縫管坯，合金結構鋼管坯等均達到國標中的各項要求。
分享友人