请输入您要查询的字词:
单词
ventilation shaft
释义
ventilation shaft
Encyclopedia
工学
竖井
释
ventilation shaft;air shaft
通风井
用于地下矿山新鲜风流进入井下或污风排出的井筒。保证将足够数量的新鲜空气连续供给井下各采掘作业面,并将污浊空气从矿井中排出,防止矿井内大气污染,创造安全舒适的井下作业环境。简称风井。
随便看
xitieshanite
Xitieshan lead-zinc deposit
Xitou
Xi Tribe
Xituanshan
Xituanshan Culture
Xiuding Temple Pagoda
Xiufeng cliffs
Xiufeng Qu
Xi Ujimqin Qi
Xiu Moutain Park in Nanjing
Xiuning No.1 Scholars Museum
Xiuning Songluo tea
Xiuning Xian
Xiu Nv
Xiushan Dao
Xiushan flower lantern opera
Xiushan flower-lantern song-dance
Xiushanmen Museum
Xiushan Tujiazu Miaozu Zizhixian
Xiu Shui
Xiushui Huang Tingjian Memorial Museum (Xiushui Museum)
Xiushui Jie
Xiushui Ming Dynasty Fengwu troupe costume
Xiushui poetry school
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/8/24 22:35:51