说你在实验室阶段还不服。泥土电阻会是常数？加点肥料试试？

来源: 味苦于 2014-01-12 14:08:04 [博客] [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.

Change Ad Consent