因为他不是轮船
因为车重
avvvvvvvvdcd vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv vfvdsvdfawwcfss f dfwsvvcdfswde ssv
轮船没有轱辘
哪个人敢来啊！
因为汽车是在路上跑的呗~本来就不能下水
