Abstract: An antifreezing ventilation system at winter in a gold mine is designed by use of the earth temperature preheating technology.
英
美
释义
文摘:利用地温预热入风流技术,设计了金厂沟梁金矿冬季防冻通风系统。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载