短語(yǔ)詞組短語(yǔ)ductile malleable cast iron 球墨可鍛鑄鐵Ductile e Cast iron 球墨鑄鐵ductile cast -iron 查看ferrite ductile cast iron 鐵素體球墨鑄鐵martensitic ductile cast iron 馬氏體球鐵Pipe ductile cast iron 延性鑄鐵管ductile cast iron pipelines 鑄鐵管線(xiàn)pearlite ductile cast iron 珠光體球墨鑄鐵ductile cast iron pitman 球墨鑄鐵連桿 返回 ductile cast iron