实验室的乙醇可以吗？什么浓度才不伤屏幕，谢谢！

来源: qqhigh 于 2004-06-09 16:30:57 [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.