详细解释:n. 头座, 机头座
【机】 车头, 主轴台
英语解释：
名词 headstock:
the stationary support in a machine or power tool that supports and drives a revolving part (as a chuck or the spindle on a lathe)详细解释：
head.stock
n.（名词）A nonmoving part of a machine or power tool that supports a revolving part, such as the spindle of a lathe.头座：机器或动力工具上用于安装旋转部件的不能移动的部分，如车床的转轴