Control valve is a pipe attachment, which is used to change the channel cross-section and flow direction, the control flow of a medium transport device.
调节阀是一种管路附件,它是用来改变通路断面和介质流动方向,控制输送介质流动的一种装置。
Compared with other types of open channel cross-section, the cubic parabola shape open channel is one of the open channels which convey water more efficiently.
与其他形式断面渠道的比较结果表明,立方抛物线形断面渠道也是一种水力较优的输水渠道。
This paper presents the design of a new degree of freedom-channel with variable cross-section design.
本文提出了一种新的设计自由度——变截面通道设计方法。
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