The hydrometric pendulum is sometimes used to determine flow velocities in open channels.
测流速的摆锤有时用于确定明渠中的流速。
2
This article elaborates signal transmission, selection of insulators for hydrometric cableway of Yifeng hydrological station in Jiangxi.
阐述了江西省宜丰水文站在水文缆道信号传输方面，绝缘子选择上的一些做法。
3
As a kind of linear motor, linear force motor usually is used as an actuator in positioning or switching control system for hydrometric servo valves and so on.