Sorry, (say again) the force needed by bike is smaller than that of bus, BUT...


所有跟贴·加跟贴·新语丝读书论坛

送交者: hopelessless 于 2016-04-29, 16:35:10:

回答: 汽车和BIKE使用的力小, 并不等于人用的力小 由 hopelessless 于 2016-04-29, 16:30:46:

people need to put more force on bike than on bus, right?



所有跟贴:


加跟贴

笔名: 密码: 注册笔名请按这里

标题:

内容: (BBCode使用说明