液压手控制器锁
hydraulic hand control lock
液压手控制器组件
hydraulic hand control group
电-气压控制
Electro-pneumatic Control
气压控制
pneumatic control
air pressure control
atmospheric pressure control
pressure control
gas pressure control
气压控制直拉法
Vapor-pressure-controlled Czochralski
大气压气暖法
atmospheric steam heating
电气-气压法
electro-pneumatic operated valve
高、低压压气机转子
rotor of high-pressure or low-pressure compressor