愚教授发现你漏翻了一句：燃料的消耗给机器提供动力或能量。

来源: beautifulwind 于 2011-08-10 23:39:00 [博客] [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.