joist head

例句：

1. 1. The joist head was damaged during the construction.
   在建造过程中，梁头受损了。
2. 2. The engineer inspected the joist head to ensure its strength.
   工程师检查了梁头以确保其强度。
3. 3.The joist head is where the beam meets the floor.
   梁头是梁与地板相接的地方。