为避免互逆活塞式砂浆泵在运动过程中出现的“刚性冲击”，对凸轮机构进行了修正设计，并分析了修正凸轮机构的运动特性。
For the avoidance of rigidity impact of commutative piston mortar pump in movement, the amendatory CAM mechanism was designed, and the characteristic of movements was analyzed.
在刚性金属容器-活塞压力设备中，进行颗粒层受压破碎过程的试验研究。
In rigid metal containers, that is piston pressure equipment, experimental study on compression crushing of granular layer is carried out.
双活塞杆提供了高度的抗弯曲和扭转刚性，保证了气缸的使用寿命和卓越的导向性能。
Double piston pole supplies high anti-bending and anti-torsion, which can ensure the service life and excellent guiding performance of cylinder.
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