The three popular types of vents in suits are single vent, double vent and vent-less.
三种流行的衩口类型是，单衩口，双衩口和无衩口。
Aspen FLARENET enables engineers to perform steady-state design, rating, or debottlenecking of single or multiple flare and vent systems.
FLARENET可以帮助工程师完成单一或多重火炬系统的稳态设计、计算以及消除瓶颈。
This enables the use of a single flat gasket to seal around the vent opening and seal between the trigger sprayer and the liquid container attached to the trigger sprayer.
这样能够采用单个平的密封垫绕通气口密封并使扳机式喷雾器和与扳机式喷雾器相连的液体容器之间密封。
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