我見過這樣的電梯,根據不同時間人流的需要換行進方向,是可上可下的.:)
本文內容已被 [ 囫圇吞棗 ] 在 2011-07-08 12:23:53 編輯過。如有問題,請報告版主或論壇管理刪除.
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2024 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy