闸前水位变率是闸前来水流量变量的标志。
Becoming rate of water level is the sign of coming water flow variable.
测量闸门的过闸流量，与公式计算的流量进行比较，验证已有的翻板闸门流量计算公式的合理性。
The author compared the measured flow through the gate with the flow calculated by formula and demonstrated the appropriation of the formulas.
本实用新型涉及到一种新型流量计，特别是用于明渠过闸流量的计量场合。
The utility model relates to a flow meter of novel, particularly for the measuring occasion of the lockage flow quantity of open canal.
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