短語詞組短語hot forging tool steel 模具熱作鋼forging g steel valve 鍛鋼閥forging round steel 鍛制圓鋼hot forging die steel 熱作模具鋼forging die steel 鍛造模用鋼;鑄造模用鋼;鍛模鋼;鑄制模用鋼Forging Quality Steel 鍛造用鋼胚forging g steel 鍛鋼hot -forging die steel 熱鍛模具鋼hot forging die steel 5CrNiMo CrNiMo 熱鍛模具鋼 返回 forging steel