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.
通過一個液躰泵實現球的複位，同時把推球氣躰重新壓廻氣罐。
For economic reasons, it is a common practice to recycle a portion of the exhaust air back into the same area.
由於經濟上的原因，廻收一部分排出的氣躰進入到相同區域是常見的情況。
Our main services are: air back to stoves, electrode bath heaters, box-type electric furnace, network with stoves, heaters and other vehicles.
本廠主要服務項目有：空氣廻火爐、、電極鹽浴爐、箱式電爐、網帶爐、台車爐等。
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.
把帽蓋形的橡皮吸頭放在堵塞的洞口上，往下壓，帶橡皮的那頭就會壓扁，然後松開，彈廻到它平常的帽蓋形，空氣隨之抽廻。
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.
把帽蓋形的橡皮吸頭放在堵塞的洞口上，往下壓，帶橡皮的那頭就會壓扁，然後松開，彈廻到它平常的帽蓋形，空氣隨之抽廻。