不用太大的澡盆，只要把普通澡盆放满2/3的水，把拆下来的轮胎垂直放入就可以边转动边观察。

来源: US_CAR. 于 2014-02-13 19:20:05 [旧帖] [给我悄悄话] 本文已被阅读：次

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