fixture block

例句：

1. 1. The fixture on the wall holds the picture in place.
   墙上的固定件将这幅画固定住。
2. 2.The car's dashboard has several fixture points for the radio and lights.
   汽车的仪表盘有几个用于收音机和灯光的固定点。
3. 3. The engineer used a special fixture to adjust the gears.
   工程师使用了一个特殊的固定装置来调整齿轮。