joists是什么意思？

joists

• n. 托梁( joist的名词复数 )；

例句

• Damp - proof membranes are also provided to isolate the walls, joists and floors from dampness rising capillarity. 防潮层也能隔绝墙壁, 屋顶和地板,避免由于毛细管作用而引起的潮气上升.
• Sections : Various shapes of cross - section for construction, such as beams, girders, joists, rails, angles, etc. 型材--横断面有各种形状,用于建筑, 如钢梁 、 槽钢 、 工字钢 、 钢轨 、 角钢等.
• The builders will have to strengthen the existing joists with additional timber. 施工人员将不得不另外用木料加固现有的托梁。

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  搁栅；托梁
  Joists are long thick pieces of metal, wood, or concrete that form part of the structure of a building, usually to support a floor or ceiling.