When the closed channel, the wedge-shaped head with a stem to open up the ball and pressed to seal the valve seat.
当关闭通道时，用阀杆的楔形头使球体涨开与阀座压紧达到密封。
It has the same movement rotated 90 degrees to mention only difference is that Jacket Ball Valve cock body is a sphere, a circular through-hole or channel through its axis.
它具有相同的旋转90度提动作，不同的是旋塞体是球体，有圆形通孔或通道通过其轴线。
Ball is a sphere with a circular channel for gate parts, ball rotation with the stem of the valve action to achieve headstock.
球阀原理，球阀是用带有圆形通道的球体作启闭件，球体随阀杆转动实现启闭动作的阀门。
Full bore pipeline ball valves the channel diameter and the same diameter, only a small fluid resistance, but also easy to clean pipes.
全通径球阀的通道内径与管线内径一致，不但流体阻力小，也便于管道清理。
The vent valve comprises an air vent screw, a spring and a valve ball which leans against the channel under the acting force of the spring.
所述排气阀包括一排气螺钉、一弹簧、一钢球，阀球在弹簧作用力下抵靠通道上。
The headstock piece ball valve is a spherical hole, around the axis perpendicular to the channel rotation, so as to achieve the purpose of crossing gate.
球阀的启闭件是一个有孔的球体，绕垂直于通道的轴线旋转，从而达到启闭通道的目的。
A ball-ache, but this avoided the dreaded 'channel is in a faulted state' syndrome.
一个球疼，但避免了可怕的“通道处于故障状态的综合征。”
This article describes the method of contour-design and the machining of the ball-returning channel of a ball-returning device.
本文主要阐明回珠器的回珠槽的成形设计和加工方法。
When fully opened, the valve's channel is smooth and linear, with an extremely small flow resisting coefficient and no pressure loss, and the pipeline can be cleaned with hair-ball through it.
阀门在全开时，通道平滑为直线，流阻系数极小，无压力损失，可通毛球清扫管线。
A cross from Little forced Carvalho into a last-ditch intervention, while Steve Sidwell slammed a shot just wide after Chelsea had failed to deal with a long ball down the right channel.
里特尔的一个横传球差点迫使卡瓦略自摆乌龙，当时切尔西处理一个长传球时出现失误，西德维尔大力射门打偏了。
Taking ANSYS Workbench as a tool, this paper simulates well the bearing-conjunction problem by means of building nonlinear contact between ball and rolling channel of bearing.
利用ANSYS有限元计算软件，采用接触非线性与耦合自由度两种方法对亚硫酸罐车车体进行有限元结构分析，并就两种方法的计算结果作了详细的对比。
Taking ANSYS Workbench as a tool, this paper simulates well the bearing-conjunction problem by means of building nonlinear contact between ball and rolling channel of bearing.
利用ANSYS有限元计算软件，采用接触非线性与耦合自由度两种方法对亚硫酸罐车车体进行有限元结构分析，并就两种方法的计算结果作了详细的对比。
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