英语翻译the pneumatic system supplies hot high pressure air to t
英语翻译
the pneumatic system supplies hot high pressure air to the systems on the airplan that ues air.these are the sources of pneumatic power.engine bleed air---APU
the pneumatic system supplies hot high pressure air to the systems on the airplan that ues air.these are the sources of pneumatic power.engine bleed air---APU
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