导叶不同步装置MGV装置
misaligned guide vane MGV
牵引装置牵距
distance of towing attachment
heigth of towing attachment
安全阀手动启开装置
safety valve easing gear
safety valve lifting gear
齿啮式快开装置
tooth-locked open-closure device
辅助起动装置开关总成
starting aid switch assembly
试验装置开发
Test equipment development
乙醚起动辅助装置开关
ether starting aid switch