由于采用内部再循环，IR - CFB设计取消了其它CF B设计所需要的J阀门，环密封，和高压吹风机。
By relying on internal recirculation, the IR-CFB design eliminates J-valves, loop seals, and high-pressure blowers which are required with other CFB designs.
该ALG - 6型号试验台设计用于对测试b - 1空气再循环鼓风机。
The ALG-6 test Fixture is designed to test B-1 Air Recirculation Loop Blowers.
暖风机适用于空气允许再循环的各种类型车间，当空气中不含灰尘，易燃性的气体时，可作为循环空气采暖之用。
Air blower is applicable to all types of recycling allowed workshop, when the air is not included in the dust, inflammable gas, can be used as circulation of air heating with.
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