它由激光防撞雷达、控制报警箱、反射靶和联接电缆组成。

It comprises a laser anti-collision radar, a control-precaution box, a reflecting target and connecting cables.

youdao

它由激光防撞雷达、控制报警箱、反射靶和联接电缆组成。

It comprises a laser anti-collision radar, a control-precaution box, a reflecting target and connecting cables.

youdao