轨道带电，可以随时断电，电池就不能够随时断电，所以电池可能不如轨道输电安全

来源: 547788 于 2017-02-23 20:22:36 [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.