电动式门开闭装置
automatic electric door opener
导叶不同步装置MGV装置
misaligned guide vane MGV
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
离子门开门时间
ion-gate openting duration
试验装置开发
Test equipment development