loss of vacuum英语标准发音：loss of vacuum英式发音：美式发音：翻译中文真空损失loss of vacuum - 基本释义[词典1]真空恶化loss of vacuum - WEB词典loss of vacuum真空恶化失去真空真空度损失loss of insulating vacuum真空丧失loss of machine of vacuum真空度降低 参考资料： 1.百度翻译：loss of vacuum2.有道词典：loss of vacuum3.爱词霸：loss of vacuum
