piston ring width

例句：

1. 1.The piston ring width is crucial for engine efficiency.
   活塞环宽度对于发动机效率至关重要。
2. 2.The manufacturer has increased the piston ring width to improve fuel efficiency.
   制造商已经增加了活塞环宽度以提高燃油效率。
3. 3. The piston ring width is measured in millimeters, and it affects the performance of the engine.
   活塞环宽度以毫米为单位测量，它影响发动机的性能。