light barrier
短语词组
- light aura barrier 光灵壁障
- light -weight barrier 轻质声屏障
- sun light barrier 障日版
- reflection light barrier 反射式光电管
- Frame Light Barrier Sensor 光带式框型光电开关
- light barrier strip 门挡片
- light barrier transducer 截光换能器
- LBS LIGHT BARRIER 光栅开关
- safety light barrier 安全光电管 返回 light barrier