这个控制阀是一个堰式隔膜阀，在流体系统中形成一个堵塞点，需要经常进行维护。
This control valve is a weir diaphragm valve and has created a clogging congestion point in the flow system that requires constant maintenance.
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。
This paper introduces the application of principle and structure of Open-top type proportion weir flow sensor and the features flow of this sensor.
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。
The calculation of right angled triangle weir-type open channel flowmeter is described. A high precision experiential flow calculating formula is given.
介绍堰式和槽式明渠流量计的测量原理，提出了一种新的堰式流量计算公式。
The measuring principles of weir and flume open channel flowmeters are introduced and a new calculation formula for weir flowmeter is stated.
详细介绍了带齿形堰的筛孔溢流盘式分布器在正构烷烃分离装置改造中的设计与应用情况。
The paper introduces the design and application of perforated weir-riser distributor with toothed weir, which is used in the modification of n-paraffin separation unit.
通过对孔板式和溢流堰式液体分布器性能的测定，提出了对该两种分布器设计的建议。
The performance of hole-plate and overflow-weir liquid distributors have been measured and a proposal for the design of the two kinds of the distributors is given.
影响堰式截流井的主要因素是堰高。
As for the weir intercepting chamber, the main factor is the height of the weir.
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。
The spiral classifier divided: high weir single spiral classifier, high-Weir type dual spiral classifier, spiral classifier single sink, sinking double spiral classifier.
本文根据混合式热交换器和热平衡原理，提出了堰板水池式溴化锂制冷机测试台，并介绍了它的工作原理、设计计算和应用实例。
With the analysis on the working condition before and after using the heat exchanger on air-conditioning of base station room, it is to calculate the energy-saving effect with heat-exchanger.
长喉式水槽与宽顶堰之设计、校核、施工与使用之。
Win Flume Software "Tools for Design, Calibration, Construction and Use of Long."..
本发明提供一套自力式机械装置、自动调节活动堰板、反冲阻流器、提拉阀。
This invention provides a set of self-powered mechanical device, an auto-regulating movable weir-plate, a back-flushing buffer and lift-pull valve.
本发明提供一套自力式机械装置、自动调节活动堰板、反冲阻流器、提拉阀。
This invention provides a set of self-powered mechanical device, an auto-regulating movable weir-plate, a back-flushing buffer and lift-pull valve.
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