如果在单枕木上再放置厚方木板或垂直多条2x4增加受力面积就好了

来源: mountrobson 于 2023-08-17 11:02:53 [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.