Adjust the cooling water flow, to avoid the main engine surge or condensation pressure is too high.
调整冷却水流量，避免主机出现喘震或者冷凝压力过高。
Theory Of Operation: a rocket engine thrusts against a water filled syringe. This produces pressure readings on a connected pressure gauge.
理论的运作：一火箭发动机推力对一个充满水的注射器，这产生的压力读数，就一连接压力计。
Stop engine, find causes and remove faults when oil pressure is low, water temperature is high, abnormal smokes or noise happen.
当出现机油压力过低、水温过高以及有异常排烟或响声时，应立即停机查清原因并进行排除。
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