人型活动场所受限少，比如爬楼梯，转身，干活灵敏等。还有其它考量。

来源: 底线清晰于 2025-05-22 02:41:39 [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.