It is suited to control media by being full opened or closed in pipelines and devices. Its disc is driven by stem, which lift along the seat axis.
本产品适用于全开全闭的各类管道及设备上的启闭件,由阀杆带动,沿阀座轴线作升降运动的阀门。
It is found that the Angle between tumble axis and horizontal plane increases with valve lift. The "tumble" is not a pure tumble, but is a inclined swirl.
用热线风速仪研究了缸内滚流的形成过程,发现滚流轴线与水平面的夹角随气门升程的增大而增大。
Then kinematics and dynamics of lift-drag-type vertical axis wind turbine of living leaves is analyzed and mathematical model is established.
然后对升阻型垂直轴活叶风力机进行运动学分析和动力学分析,建立了数学模型。
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