爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.Reason analysis and improvement measures of difficult start and shutdown during returning handle of DF_4 locomotives due to lower lubricating oil pressure
东风_4型机车因机油压力低造成起动困难和回手柄停机故障的原因分析及改善措施收藏指正
尝试查询
汉英释义