1. 墓碑：headstock 主轴箱 | headstone 墓碑 | headstream 源头
2. 墓石：headstock /主轴承/ | headstone /墓石/ | headstream /源流/
3. 墓石 墙角基石：headstone 奠基石 | headstone 墓石 墙角基石 | headsupportarm 磁头臂 磁头支持臂
1. 墓碑
A headstone is a large stone which stands at one end of a grave, usually with the name of the dead person carved on it.
noun
1. a stone that is used to mark a grave
Synonym: gravestonetombstone
2. the central building block at the top of an arch or vault