使用推针，从钻孔上取出止推环。
Drilled knock-out holes for driving out thrust rings, using pins.
当不准许主动齿轮旋转时，向上推环齿轮，并放牢它。
Push and hold ring gear upward while not allowing the pinion gear to rotate.
阐述了自压密封旋启式止回阀的结构特点、工作原理、材料选用和止推环设计。
Describe the structure characteristic and working principle of pressure seal swing check valve. Material selection and thrust ring design.
无论是对于垫层方案或是保压方案，是否设置伸缩节和止推环对蜗壳应力状态影响均较小。
For MSCL and MHWH, the setting up of expansion joint and anti-thrust ring will not much affect the stress distributions of SC and surrounding concrete.
这三套机械密封都由如下部件组成：动环、静环、推环、弹簧、弹簧座、辅助密封圈、卡环等。
The three sets of mechanical seal components are as follows: actin ring, quiet ring, push the ring, spring, spring seat, auxiliary ring, ring, such as cards.
将阀帽总装拆离阀腔，采用推针取出四个部分的推力环，拆卸变得简便易行。
Easy dismantling is made possible by dropping the bonnet assembly into the body cavity and driving out the four-segmental thrust rings by means of a push pin.
这类方法也称为波动预测减去法，主要有：波场外推法、反馈环法、反散射级数法。
This kind of methods is also called as undulation forecast subtracting, which including wave field extrapolated method, feedback loop method and backscattering progression method.
研究了计入气穴影响的径推联合动静压浮环轴承的动态性能和稳定性。
The dynamic performance and stability of a externally pressurized hybrid journal-thrust floating ring bearing were studied considering the cavitations in deep pockets.
研究了计入气穴影响的径推联合动静压浮环轴承的动态性能和稳定性。
The dynamic performance and stability of a externally pressurized hybrid journal-thrust floating ring bearing were studied considering the cavitations in deep pockets.
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