in-line engine crankshaft

例句：

1. 1. The new car has a high-performance in-line engine crankshaft that can deliver maximum power.
   这款新车配备了高性能的直线发动机曲轴，能够提供最大动力。
2. 2.The old car's in-line engine crankshaft broke down during the long journey.
   这辆旧车在长途旅行中，其直线发动机曲轴出了故障。
3. 3.The engineer replaced the in-line engine crankshaft with a more durable one to improve the car's performance.
   工程师用一个更耐用的直线发动机曲轴替换了原来的，以提升汽车的性能。