Accumulator Tank: a sealed air chamber combined with a water reservoir provides expansion volume to reduce pump cycling from minor pressure changes and give a steady flow.
压力鼓：你个密封的空间结合水箱来提供充足的空间来减少泵循环时较小的压力改变和稳定的水流。
Taking deep breaths will fix that by creating a steady volume of air flow over your vocal cords, and help calm your nerves too.
深呼吸可以使稳定的气流通过声带，进而解决这一问题，同时缓解演讲者的紧张情绪。
Air core comes into being because of central minus pressure and goes through the hydrocyclone from the overflow gate to the bottom outlet after the flow field become steady.
其内部由于中心负压而形成空气柱，当流场稳定后，该空气柱从底流口到溢流口贯穿始终。
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