| 释义 |
球墨铸铁qiúmò-zhùtiě含有球状石墨的铸铁,机械强度高,有韧性和延性。主要用来代替钢铸造重型机械和机械零件。{nodular cast iron; ductile iron; cast iron containing spheroidal graphite, being tough and ductile, and having high mechanical strength, used as an alternative to iron in making heavy machinery and machine parts} |