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ventilation door
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ventilation door
Encyclopedia
工学
通风构筑物
释
ventilation door
风门
在巷道内,关闭时可遮断风流,开启时可通车行人的矿井通风构筑物。是一种用于挡风和隔风的门。
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ultrabasic rock
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ultraboundedness
ultra bright
ultra broadband seismometer
ultracentrifugal
ultra-centrifugal sedimentation
ultracentrifugation
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ultracharacteristic subgroup
ultrachromatography
ultra-clean and high-purity electronic specific gas
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ultradeep-field observation
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更新时间:2025/10/14 16:54:07