| 释义 |
ledger boardn.（名词）- The top railing of a fence or balustrade.栏杆扶手：构成栅栏或栏杆顶部的横档
- A narrow horizontal board attached to a row of studs to support the ends of floor or ceiling joists. Also called In this sense, also called ribbon 隔层横木：附着一排墙钉之上的水平窄板，用于支撑楼板端部或天花板的托梁 也作 在此意义上也可称作 ribbon
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