air shaft [机] 通风井
- OPERATIONAL EQUIPMNT Double Winder、 Die Rotating Device、 Tension Auto Control System、 PLC Control System、 Air Shaft、 Auto Unloader Device、 Two or Three-Layer Coextrusion Blownand etc.
特殊配置双收卷机、转模头、动张力控制系统、LC可程式控制系统、压收卷轴、动卸料装置、至三层共挤。 - The situations of the underground air duct work of central air shaft are introduced and according to the construction method and scheme selection in foundation pit supp
介绍了中央风井扇风机房风道地下部分的施工概况,对特殊条件下(风井正常运转)井架基础加固、坑支护方案的选择及施工方法作了阐述。 - The air flows down to a shaft and thus loses potential energy.
空气向下进入竖井,因而失去势能。
air shaft[ noun ]
a shaft for ventilation
<noun.artifact>
Air shaft \Air" shaft`\
A passage, usually vertical, for admitting fresh air into a
mine or a tunnel.