Under the conditions of proper design and correct operation, the sieved tray was of high efficiency, tow pressure drop and high processing capacity.
在设计适当、操作正确的前提下，网孔塔板具有效率高、压力降小、处理能力大等特点。
Seal chamber pressure of a new double spiral groove face seal working under high velocity and pressure conditions may probably be disturbed in operation, which affects the seal stability.
一种用于高速高压等极端工况下的新型双螺旋槽端面密封在实际运行过程中密封腔压力会出现波动，从而影响密封稳定性。
Long distance natural gas pipelines are operated under high pressure, so pipeline operation security takes precedence of any other considerations.
天然气长输管道属高压运行，因此确保管道安全运行是首要目标。
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