“压头”造句

Dall流量管是具有特别高的压头补偿的实验装置.
The Dall flow tube is an empirical design with an extremely high pressure head recovery.

当下游压头大于上游压头约3/5时, 流量是潜流.
When the downstream head is greater than about 3 / 5 of the upstream head, flow is submerged.

这个方法,液体在恒定的压头下,测定液体的体积.
The method involves measurement of the volume of liquid, under constant head conditions.

• #压头