如果光是放在沙漠秸秆可长久不腐。中国某化学物和水沙混合成保水的宠儿才是真正的出路。

来源: tttw 于 2018-02-15 10:38:29 [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.