6、7米？气球高度六十米，底下挂的load相当于三辆公交车

来源: 玻璃坊于 2023-02-07 12:57:34 [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.