... as we discussed yesterday » 这里是会在公寓的完成，正如我们昨天所讨论的要点需要 Rated working pressure » 额定的工作压力 ..
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在把钢瓶连接倒较低额定工作压力的管道回路时，使用调整器和减压装置。
Use regulators and pressure-relief devices when connecting cylinders to piping circuits with lower pressure service ratings.
当把钢瓶连接到较低额定工作压力的回路上时，要使用调整器和减压装置。
Use regulators and pressure relief devices when connecting cylinders to circuits having lower pressure service ratings.
泵的额定压力是指泵连续工作时的最高许用压力，而其工作压力则决定于外部负载，泵的寿命与其工作压力直接相关。
The pump is rated pressure pump work for the highest allowable pressure, but their work is determined by external pressure load, pump life are directly related to their work pressure.
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