针对灌区用水计量模糊问题，开发了一种新型明渠流量仪。

Aiming at the problem of inaccurate water measurement in irrigation, we design a new open channel flowmeter.

youdao

针对灌区用水计量模糊问题，开发了一种新型明渠流量仪。

Aiming at the problem of inaccurate water measurement in irrigation, we design a new open channel flowmeter.

youdao