wall plate

wall-plate的词性：
n.（名词）

1. A horizontal timber situated along the top of a wall at the level of the eaves for bearing the ends of joists or rafters.
承梁板：位于墙顶的水平木板，与屋檐平齐，支撑托梁或椽子的尽头

2. A plate used to attach a bracket or similar device to a wall.
承梁板：用于把托梁或类似构造物固定到墙上用的板子