An oscillating lever connected to an engine piston rod and used to transmit power to the crankshaft.

传动杆：可摆动的杠杆，与引擎之活塞相连，用以向机轴传送能量。

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An oscillating lever connected to an engine piston rod and used to transmit power to the crankshaft.

传动杆：可摆动的杠杆，与引擎之活塞相连，用以向机轴传送能量。

youdao