中國石油太少，方向不錯。不過電力來源也不輕鬆，煤炭？水電？

來源: 杜梓騰於 2018-01-30 09:48:27 [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.