短語(yǔ)詞組短語(yǔ)smoke detecting alarm system 煙霧探測(cè)報(bào)警系統(tǒng)automatic smoke alarm system 自動(dòng)起煙報(bào)警系統(tǒng)smoke pipe fire alarm system 煙管火警系統(tǒng);煙管式火警信號(hào)系統(tǒng) 返回 smoke alarm system