crankshaft
含义: A shaft driven by a crank mechanism in an engine, converting the up-and-down motion of the pistons into rotational motion.
The crankshaft is one of the most critical components in a reciprocating engine. It runs along the bottom of the engine block and is connected to the pistons via connecting rods. The rotational force produced by the crankshaft is transmitted to the wheels through the gearbox and drivetrain. Crankshafts must be precisely balanced and extremely strong, as they endure enormous stresses. A damaged crankshaft typically means the engine must be rebuilt or replaced.
例句
- The crankshaft converts the linear motion of the pistons into the rotational motion needed to turn the wheels. 曲轴将活塞的直线运动转换为驱动车轮所需的旋转运动。El cigüeñal convierte el movimiento lineal de los pistones en el movimiento rotativo necesario para hacer girar las ruedas.クランクシャフトはピストンの直線運動を車輪を回すために必要な回転運動に変換します。크랭크축은 피스톤의 직선 운동을 바퀴를 회전시키는 데 필요한 회전 운동으로 변환합니다.
- A crack in the crankshaft was discovered during the routine engine overhaul, requiring a complete replacement. 在例行发动机检修中发现曲轴出现裂纹,需要全面更换。Durante la revisión rutinaria del motor se descubrió una grieta en el cigüeñal, lo que obligó a su sustitución completa.定期的なエンジンオーバーホール中にクランクシャフトにひび割れが発見され、全交換が必要となりました。정기 엔진 오버홀 중 크랭크축에 균열이 발견되어 전체 교체가 필요했습니다.
- The engine's crankshaft rotates at thousands of revolutions per minute even at moderate driving speeds. 即使在中等速度行驶时,发动机曲轴每分钟也旋转数千转。El cigüeñal del motor gira a miles de revoluciones por minuto incluso a velocidades de conducción moderadas.エンジンのクランクシャフトは中程度の走行速度でも毎分数千回転しています。엔진의 크랭크축은 보통 속도로 주행할 때에도 분당 수천 회전을 합니다.
发音
用法指南
语境: professional, scientific
语气: neutral
起源与历史
A compound of 'crank' (from Old English cranc, meaning 'something bent') and 'shaft' (from Old English sceaft, 'pole, spear'). The compound term emerged in the early 19th century with the development of steam and internal combustion engines.
文化背景
Era: Modern
Generation: All ages
Social background: Universal
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