But on a backcountry trip, ringing up a rescue isn'talways automatic.
但是在偏远地区的旅行 求救电话不是总是自动的。
2
Realize the automatic control of steam turbine, including oil supply system, hydraulic actuator, and emergency trip unit.
实现汽轮机蒸汽阀门的自动控制。包括供油装置、油动机、危急遮断装置。
3
In operation process of the power plant, when the trip trouble happened in its main auxiliary units, its automatic control system can lower the load quickly and safely.