如果光是放在沙漠秸稈可長久不腐。中國某化學物和水沙混合成保水的寵兒才是真正的出路。

來源: tttw 於 2018-02-15 10:38:29 [舊帖] [給我悄悄話] 本文已被閱讀：次

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