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通风井
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通风井
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竖井
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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。
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Air Force Flight Test Center
air force geography
Air Force Medical University of PLA
Air Force Political Department Drama Troupe of the CPLA
airframe drag
air freight
AirFuelAlliance standard
AirFuelAlliance标准
air-fuel ratio
air-fuel ratio control
air gap interconnect
air/gas drilling fluid
Air Gasification
airglow
air gun
air gun source
air handling equipment
air handling process
air hardening binder
air heat exchanger of metallurgical furnace
air humidifier
air humidity control
air hygiene in animal housing
ai ri jing lu cang shuzhi
ai ri jing lu library
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