When running, the motor drive, through the crank-connecting rod of the role of the (rotation movement into linear movement), so that the piston within the cylinder for reciprocating motion.

 
  • 运转时,在电动机的驱动下,通过曲柄连杆机构的作用(旋转运动转变成直线运动),使气缸内的活塞作往复运动。
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