后车架 meaning in English

rear frame

Maximum usable length of chassis behind cab
驾驶室后车架最大可用长度
It was unimaginable that gu yue baffled us on last day still , just gave us three bikes , and backpack could not put on the back of the bike , and could carry other members by bike , at that time , we really wanted to have a bike for every member
实在想不到最后一天古月他们还为难我们，只给了三量自行车，而且后车架子上不能放背包，车不可以载人，当时我们真想一人一量车多好啊^ _ ^ 。