名词
中文翻译：活塞环回间隙
同义词：
['活塞环间隙例句：1. The piston ring back clearance is critical for engine performance.（活塞环回间隙对发动机性能至关重要。）']
例句：
-
1. The piston ring back clearance is critical for engine performance.
活塞环回间隙对发动机性能至关重要。
-
2. Maintenance of the piston ring back clearance is essential to prevent engine damage.
保持活塞环回间隙的维护是防止发动机损坏的关键。
-
3.The manufacturer has increased the piston ring back clearance to improve fuel efficiency.
制造商已提高活塞环回间隙以提升燃油效率。