air-backed

基本解释

A liquid pump is used for resetting the ball and pressing the air back to air tank at the same time.
通过一个液体泵实现球的复位，同时把推球气体重新压回气罐。
For economic reasons, it is a common practice to recycle a portion of the exhaust air back into the same area.
由于经济上的原因，回收一部分排出的气体进入到相同区域是常见的情况。
Our main services are: air back to stoves, electrode bath heaters, box-type electric furnace, network with stoves, heaters and other vehicles.
本厂主要服务项目有：空气回火炉、、电极盐浴炉、箱式电炉、网带炉、台车炉等。
A cup--shaped rubber sucker is placed over the plug- hole and pressed down so that the rubber end is squashed flat; then it is released and springs back into its usual cup shape, drawing the air back with it.
把帽盖形的橡皮吸头放在堵塞的洞口上，往下压，带橡皮的那头就会压扁，然后松开，弹回到它平常的帽盖形，空气随之抽回。
A cup--shaped rubber sucker is placed over the plug- hole and pressed down so that the rubber end is squashed flat; then it is released and springs back into its usual cup shape,drawing the air back with it.
把帽盖形的橡皮吸头放在堵塞的洞口上，往下压，带橡皮的那头就会压扁，然后松开，弹回到它平常的帽盖形，空气随之抽回。