... steam discharge pipe 排汽管 steam discharging 蒸汽排空 steam-disengaging surface 蒸发面 ...
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The main safety valve shall be fastened upon the gallow, . Which sustains the counterforce produced in the steam discharging process of the main safety valve .
主安全阀紧固在支座上，支座承受主安全阀排汽时产生的反作用力。
The discharging steam provided the rocket with motive power.
蒸汽排放所产生的反作用力给火箭提供了动力。
When the system pressure drops to the return pressure, the security valve will be closed and stop discharging, in the way of which the pipelines and equipments of the steam system will be protected.
当系统运行压力降低至安全阀的回座压力时，主蒸汽安全阀自行关闭，停止排放，从而对主蒸汽系统的管道和设备起安全保护作用。
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