更改细目分类modification: n. 变更,更改,修正;改良,改进;缓和;修改;减轻;限 ...breakdown: n. 1.崩溃,倒塌;破损,损耗;损伤;损坏,故障;失败 ...breakdowns: 粗轧板坯; 故障boiler breakdowns: 锅炉事故average time for repair of breakdowns: 平均故障修复时间下载手机词典可随时随地查词查翻译