薄，方形，紧凑的设计消除了对导游的需要，优良的非旋转精度，双活塞气缸建设双打'的主旨。
Thin and square form, compact design eliminating the need for guides, excellent non-rotating accuracy, and double piston construction doubles the cylinders' thrust.
一个气缸的双向运动代替两个执行元件的直线运动使其经济合理结构紧凑；
The straight line motion of two actuators was substituted by two directive motion of one pneumatic cylinder, which made the machine more economic and more compact.
本实用新型结构紧凑、外形美观，并 带有防尘密封环，可有效防止外界灰尘进入气缸。
The utility model is compact in structure and beautiful in appearance with the dust-proof sealing ring which is capable of effectively preventing outside dust coming into the cylinder.
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