A framing member crossing and supporting the ends of joists,studs,or rafters so as to transfer their weight to parallel joists,studs,or rafters.

  • 横越、支持托梁、墙筋或椽的末端以此来把它们的重量传递给平行的托梁、墙筋或椽的框架成分。
目录 查词历史