weir-type redistributor 堰式再分配器
weir type flow sensor 堰式流量传感器
weir-type fish pass 堰式鱼道
weir type flowmeter 堰式流量计
moving weir type starter 活动溢流式起动器
weir-type baffle 堰式挡板
low-weir type classifier 低堰式水力分级机
weir-type 堰型
weir type overflow 堰式溢流
The spiral classifier divided: high weir single spiral classifier, high-Weir type dual spiral classifier, spiral classifier single sink, sinking double spiral classifier.
该螺旋分级机分有：高堰式单螺旋分级机、高堰式双螺旋分级机、沉没式单螺旋分级机、沉没式双螺旋分级机。
This paper introduces the application of principle and structure of Open-top type proportion weir flow sensor and the features flow of this sensor.
文中介绍了无顶式比例堰流量传感器的基本原理和结构，研究了无顶比例堰的流量特性。
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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