Introduced a new type of continuously automatic mine sump cleaning equipments,described the structure characteristic,component and operation principle of the equipment.
英
美
释义
介绍了一种新型矿井水仓连续自动清淤设备的结构特征、组成部分和工作原理。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2025 海词词典(Dict.cn)
立即下载