短语词组短語hot -forging die steel 熱鍛模具鋼hot closed -die forging [機]熱模鍛repeated firing hot -die forging 多火次熱模鍛造finish hot -forging die 熱精鍛模具precision cast hot -forging die steel 精鑄熱鍛模具鋼 返回 hot die-forging