Be familiar with the methods of ferrous metal material histology, metallurgy and heat process, as foundry, forging, welding and heat dealing including its weakness, analysis and control.是什么意思_Be familiar with the methods of ferrous metal material histology, metallurgy and heat process, as foundry, forging, welding and heat dealing including its weakness, analysis and control.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句