circulating water pump system的用法和樣例：
例句
- Not all the water in the pool is equal, as there are detectable currents from the water pump system.
從水泵系統那里有可探知的水流，所以，并不是所有池中的水都是相同的。 - The unloader regulates pressure by either sending water to the nozzle or to bypass depending on the setting of the unloader.
減荷器就像是水泵系統的交通警察，對系統的壓力的調節通過(guò)控制直流和旁通來(lái)調整。
