背压安全阀
back pressure relief valve
背压弹簧阀
back pressure spring valve
背压调节阀
back pressure regulating valve
背压式安全阀
backpressure relief valve
背压
back pressure
counterpressure
Abyssinian
back-pressure
counter-pressure
pressure from the back of the wheel
anti-pressure
back -pressure
7Znx
exhaust pressure
7Zr
condenser pressure
Vacuum
backpressure
counter pressure
Turbine
背压抽气式汽轮机
back pressure extraction turbine
背压抽汽式汽轮机
back pressure extraction turbine
背压调节系统
Back pressure adjusting system
背压发电
back-pressure power generation
back pressure power generation