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Crankshaft
01
クランクシャフト
a shaft that converts the up and down motion of the pistons into rotational motion
例
She checked the crankshaft for any signs of wear.
He installed a high-performance crankshaft in his race car.
The crankshaft turned smoothly, indicating no issues.
The crankshaft was damaged and needed replacement.
They inspected the crankshaft bearings during the engine rebuild.
