释放系统中的压力。
A direct method for measuring this is the pressure bleed test.
一种直接测定的方法就是压力泌水试验。
The pneumatic system controls the temperature and the pressure of engine bleed air source.
增压引气控制发动机引气的温度和压力。
Replaced R engine bleed air regulator, running-up test OK, pressure same.
更换右发引气调节器，试车正常，左右压力一致。
Replaced R engine bleed air regulator, running-up test OK, pressure same.
更换右发引气调节器，试车正常，左右压力一致。
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