鱼雷快艇驱逐舰火炮系统原理 This system is used to destroy fleet in naval military operations. 这个系统用以在军事行动中摧毁敌方海军舰队。

Rotary Engine 旋缸发动机原理 Also called as Wankel engine is a type of internal combustion engine has a unique design that converts pressure into rotating motion instead of reciprocating pistons 它同时也叫做汪克尔发动机,是内燃机的一种。它有着独特的设计,可以将压力转化为旋转运动,而不是往复活塞运动。
