Unlike a conventional turbofan, it USES a gearbox rather than a shaft between the fan and the turbine.
这种发动机在风扇与涡轮间安装了一个齿轮减速器。
2
In a vacuum exhaust system, sealing steam to the turbineshaft labyrinth seals must be admitted to avoid loss of vacuum.
在真空排气系统中，必须引蒸汽到汽轮机主轴迷宫式密封，以防真空损失。
3
Treatment of industrial water for cooling generators and filtration of sealing water to increase the service life of the turbineshaft sliding-ring seals in hydroelectric power stations.