名词
中文翻译：聚苯乙烯活塞
同义词：
['polystyrene piston', 'polystyrene cylinder', 'polystyrene rod']
例句：
-
1. The polystyrene piston is used in the engine to reduce friction.
聚苯乙烯活塞用于发动机中以减少摩擦。
-
2.The polystyrene piston was designed to improve the efficiency of the machine.
聚苯乙烯活塞被设计来提高机器的效率。
-
3.The polystyrene piston is easy to replace and maintain.
聚苯乙烯活塞易于更换和维护。