短語詞組短語smoke detecting alarm system 煙霧探測報警系統(tǒng)radioisotope smoke alarm [核]放射性同位素?zé)熿F報警器automatic smoke alarm system 自動起煙報警系統(tǒng)smoke alarm system 煙氣報警系統(tǒng)Aspirating smoke detection fire alarm 吸氣式煙霧探測火災(zāi)報警smoke pipe fire alarm system 煙管火警系統(tǒng);煙管式火警信號系統(tǒng)automatic smoke type fire alarm 測煙式失火自動報警器self -contained smoke alarm 自給式感煙報警器 返回 smoke alarm