送交者: cornbug 于 2016-04-29, 16:04:33:

回答: Anyone can help me this question of physics? Thanks! 由 hopelessless 于 2016-04-29, 15:35:10:

• 没错。bike和bus都有可能刹车不灵or车轮打滑。 (无内容) - 095 (0 bytes) 2016-04-29, 16:22:57 (806687)

加跟贴