压力水头 pressure head ; hydraulic head ; Piezometric head ; capillary pressure head
水头压力 head pressure ; hydraulic head pressure
输送压力水头 delivery pressure head
水动力压头 hydrodynamichead
涌泉压力水头 artesian head ; artesian pressure head
水力活塞压力接头 hydro-trip pressure sub ; trip pressure sub
静水头压力 hydrostatic head
压力〕水头 hydraulic head
流体向水力梯度下游的流动是从水力压头较高处到水力压头较低处。
Fluids flow down a hydraulic gradient, from points of higher to lower hydraulic head.
建立了环状管网水力工况的数学模型，给出限额供热的压头校核公式。
The mathematical model of hydraulic regime of ring-shaped heat-supply network is established, and the pressure head check formula for quota heating is given.
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