Vari-Flow Valve allows child to control liquid's flow rate.

可变流量可以让宝宝控制流速。

In liquid, gas or powder medium flow pipe, need different kinds of medium flow valve cut or control.

在液体、气体或粉末介质流动的管道中，需要不同种类阀门对介质的流动进行切断或控制。

Leading energy loss of the flow valve in hydraulic rock drill was analyzed and its formula was presented.

分析了液压凿岩机配油阀的主要能量损失，给出了其计算表达式。

An over review of the proportional pressure valve and proportional flow valve at home and abroad is summarized.

综述了比例压力阀和比例流量阀国内外的研究进展，并且对比例阀未来的发展趋势进行了展望。

This paper adopts the control technology of single chip C8051F320 core in electronic-hydraulic proportional flow valve.

在电液比例流量阀中，本文采用了以单片机c 8051f 320为核心的控制技术。