The result indicates that the surface light crackle and inclusion air hole est.metallurgy shortcomings are the main reason of causing crackle.是什么意思_The result indicates that the surface light crackle and inclusion air hole est.metallurgy shortcomings are the main reason of causing crackle.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句