... 开口光电倍增管 open photomultiplier 开槽流量计 open-channel meter 开路电压 open-circuit voltage ...
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open channel meter 明渠流量计
open-channel meter detail 明渠流量计
ultrasonic open channel flow meter 超声波明渠流量计
·2,447,543篇论文数据，部分数据来源于NoteExpress
Traditionally the flowrate of returning activated sludge was measured by open channel flowrate meter with higher error, difficult transform of flowrate coefficients and inconvenient calibration.
以往常采用明渠流量计测回流污泥量，不仅误差大，而且流量系数转换、 标定都十分困难。
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