取决于客服摆动所需要的阻力，阻力大，很快停，阻力越小，摆的时间越长。。。

来源: 子正于 2011-12-20 09:31:43 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.