生物燃料无非是碳氢化合物，他们把里面的氢含量提高了

来源: 徒劳于 2016-03-14 09:32:24 [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.