velocity head

常見例句

Strong radar echoes and positive-negative velocity and head wind area are indicative to the heavy rainfall event.
強雷達(dá)回波和正負(fù)速度對、逆風(fēng)區(qū)等特征對強降水具有指示意義。
The liquor is pumped through a large nozzle and the velocity head is utilized to draw the gases to be absorbed into the liquid .
液體用泵送經(jīng)一只大的噴頭，利用速度變化產(chǎn)生的壓差將待吸收氣體帶到液體中。
Described are the influence of velocity head on the actual flows with same level and the artesian flows for different liquid levels.
指出速度水頭對同一液面高度的實際流量的影響及不同液面高度下的自流發(fā)油流量。