transfer-case to front axle

例句：

1. 1. The car's transmission is a complex system that needsregular maintenance.
   汽车的变速器是一个复杂的系统，需要定期维护。
2. 2. The engineer replaced the oldtransmission with a new one.
   工程师用一个新的变速器替换了旧的。
3. 3. The transmissionwas designed to improve fuelefficiency.
   变速器被设计来提高燃油效率。