英语语法分析

The positioner is an important accessory of the actuator.

定位器是执行器的重要附件。

An internally mounted, solid state positioner board accurately controls valve position from open to close.

内部安装的固体状态定位器主板能够精确控制阀门从开启到关闭的各种位置。

Full 360 degree coverage can be achieved either by adding more antennas or by placing the radar on a positioner.

通过添加更多的天线或放置雷达可以实现360度全覆盖。