reciprocating motion是什么意思 reciprocating motion怎么读
reciprocating motion的相关资料
reciprocating motion的用法和样例
- The steam-engine piston makes a cyclic motion.
蒸汽机活塞做往复运动。 - It cannot allow the link to translate on the horizontal direction, thus enabling the link to do reciprocating motion.
不能让杆子的中心点左右移动，才能做往复运动。
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