Wear on the dynamic lip is egg-shaped. The rod and the piston bore are not concentric.

消耗在一个象蛋形状的唇上。活塞杆和活塞腔不同心。

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Reciprocating pumps convert rotary motion to linear motion. Pump speed in RPM determines the pumps output volume for any given combination of cylinder bore and piston stroke.

循环泵将曲轴旋转运动转化为柱塞的直线运动。泵速转每分钟决定了任何气缸和活塞组合的排泵量。

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The parameter design of the plastic piston ring refers to designing the piston ring thickness, piston ring axial height and piston ring linear expansion in case that the cylinder bore is known.

塑料活塞环结构参量的设计是在缸径为已知量的前题下，分别对活塞环厚度、活塞环轴向高度、活塞环线胀量等进行设计。

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With a deafening mechanical whine, the Instron's piston bore down on the metal leg inside the boot, mimicking the effect of a skier falling backward, the move that has ruptured thousands of knee ligaments.

FORBES: Magazine Article

With a deafening mechanical whine, the Instron's piston bore down on the metal leg inside the boot, mimicking the effect of a skier falling backward, a move that has ruptured thousands of knee ligaments.

FORBES: Magazine Article