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

针对灌区用水计量模糊问题，开发了一种新型明渠流量仪。

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The calculation of right angled triangle weir-type open channel flowmeter is described. A high precision experiential flow calculating formula is given.

论述了直角三角形堰式明渠流量计算问题，提出了一种高精度流量计算经验公式。

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