常見(jiàn)例句This can obtain high cast.Cast crack of castings is prevented by grain refinement, strengthening deoxygen and dephosphorization. 通過(guò)采取細(xì)化晶粒、強(qiáng)化脫氧、脫磷來(lái)預(yù)防鑄件產(chǎn)生裂紋。 返回 deoxygen