全轮驱动

tā jié gòu jiǎn dān jǐn còu zhàn yòng kōng jiān xiǎo róng yì shí xiàn quán lún qū dòng yīn cǐ dé dào guǎng fàn yìng yòng

它结构简单、紧凑、占用空间小、容易实现全轮驱动，因此得到广泛应用。

It is simple, compact, easy to implement all-wheel drive, so it is widely used.