平行梁的英文

parallel girder

• 平行:    of equal rank; on ...
• 梁:    beam
• 轨行梁:    running beam (高架铁路 ...

例句与用法

1. The horizontal beam that forms the upper member of a window or door frame and supports the structure above it
   （门窗的）过梁构成门窗上部框架的平行梁木，并支持上面的构架