印象中黄的观点是三峡大坝淤积的是鹅卵石, 大坝建起10年内必炸坝排石.
本帖于 2019-07-08 12:12:30 时间, 由普通用户 POCOCAT 编辑
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy