名词
中文翻译：活塞顶
同义词：
['piston cap', 'piston ring', 'cylinder head例句：1. The engine needs to be cleaned regularly to prevent damage to the piston crown.（发动机需要定期清洁，以防止活塞顶损坏。）']
例句：
-
1. The engine needs to be cleaned regularly to prevent damage to the piston crown.
发动机需要定期清洁，以防止活塞顶损坏。
-
2.The piston crown is a critical component that ensures proper oil sealing.
活塞顶是一个重要的组件，确保油封的适当密封。
-
3. The piston crown is made of high-quality materials to withstand the extreme temperatures and pressures of the engine.
活塞顶由高质量的材料制成，以承受发动机极端的温度和压力。