The defects or damage of iron casting either in manufacturing or during usage should be repaired,which should be done according to its character and corresponding welding process.是什么意思_The defects or damage of iron casting either in manufacturing or during usage should be repaired,which should be done according to its character and corresponding welding process.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句