The backstopping clutch is a wedge block type backstop, and the coupling is a gear type coupling.
所述逆止器为楔块式逆止器，联轴器为齿轮式联轴器。
By controlling the wedge block and springs, its punches and movable plate blocks achieve the horizontal punch movement.
该模具的凸模和活动凹模镶块分别在斜楔和楔形滑块作用下水平相向运动完成冲裁。
A method is presented for measuring the shear-wave attenuation of solids by using propagation of ultrasonic wave in a wedge block.
介绍了利用劈形楔块作波型变换，达到用纵波探头测量材料横波衰减系数的方法。
The 400 series adopts durable spring and wedge block structure, suitable for overloading and long life requirements of the occasion.
在400系列中采用耐久弹簧和楔型块结构，适用于重载和有长寿命要求的场合。
And because the wedge block and the role of the dovetail groove of the stem, the valve increases the forced sealing force, increases the sealing pressure ratio, the two-way sealing.
而且由于阀杆的楔形块与燕尾槽的作用，对阀门增加了强制密封力，增大了密封比压，实现双向密封。
The bottom of the disc is made of knife-shaped gate with a cut off function of the medium. When gate is closed, oblique plane of gate valve encounters wedge block of gate to achieve sealing effect.
闸板底部做成刀形斜面具有切断介质功能，而且闸板关闭时通过阀体上的锲块紧靠闸板斜切面使得闸板紧紧贴靠阀座密封面，从而起到了密封效果。
The bottom of the disc is made of knife-shaped gate with a cut off function of the medium. When gate is closed, oblique plane of gate valve encounters wedge block of gate to achieve sealing effect.
闸板底部做成刀形斜面具有切断介质功能，而且闸板关闭时通过阀体上的锲块紧靠闸板斜切面使得闸板紧紧贴靠阀座密封面，从而起到了密封效果。
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