A double-phase heat resistant alloy contains proper amount of Cr and Ni and has both austenite and ferrite structure as well as much finer gr ains.是什么意思_A double-phase heat resistant alloy contains proper amount of Cr and Ni and has both austenite and ferrite structure as well as much finer gr ains.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句