大多數滑門用上滑輪是由道理的，不會被地上的灰塵和小東西卡住

來源: 徒勞於 2019-03-04 17:15:02 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.