风标
a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind
同义词： windsock / wind sock / sock / air sock / air-sleeve / wind sleeve / wind cone / drogue
The trapped air in the diaphragm will force the diaphragm between the inside of the sleeve and the outside of the piston.
罩在隔膜内的空气将施加力量在隔膜上，使其进入套筒内部和活塞外部之间。
The pure gum rubber sleeve of the Type A Valve offers excellent abrasion resistance, and since the Type A uses only air pressure to operate, there are no moving parts to break or wear out.
型夹管阀采用的纯树脂橡胶具有优异的抗磨损能力，因为A型夹管阀只是采用气压进行操作，因此没有活动部件会断裂或磨损。
The differential locks by the compressed air in cylinder pushing joint sleeve.
差速锁的锁止是通过气缸压缩空气推动接合套实现。