The application and working process of throttle valve in injection mold of unbalanced cavities were introduced,and the key points of designing throttle valve was analysed.是什么意思_The application and working process of throttle valve in injection mold of unbalanced cavities were introduced,and the key points of designing throttle valve was analysed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句