那是青藏高原黑色土質由於下方凍土層開化隨雪山融化的冰水流動

來源: huchi99 於 2017-12-09 07:57:09 [博客] [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.