[安全] 線型感煙火災(zāi)探測(cè)器 laser line type smoke detector: 激光線型感煙探測(cè)器infra-red beam line-type smoke detector: 紅外光束線型感煙探測(cè)器laser beam line-type smoke detector: 激光光束線型感煙探測(cè)器area type smoke detector: 區(qū)域式感煙探測(cè)器beam-type smoke detector: 光束式感煙探測(cè)器下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
