undergroundair
- 网络矿内空气；井下空气
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矿内空气
矿业工程专业词汇英语翻... ... underground aerial tramway 井下死 underground air 矿内空气 underground banksman 井底把钩 …
井下空气
消防英语专业词汇... ... underfloor raceway 地板下电线槽路 underground air 井下空气 underground air-conditioning 地下空调 ...