短語(yǔ)詞組短語(yǔ)light aura barrier 光靈壁障light -weight barrier 輕質(zhì)聲屏障sun light barrier 障日版reflection light barrier 反射式光電管Frame Light Barrier Sensor 光帶式框型光電開(kāi)關(guān)light barrier strip 門擋片light barrier transducer 截光換能器LBS LIGHT BARRIER 光柵開(kāi)關(guān)safety light barrier 安全光電管 返回 light barrier