fire detection alarm system
短語(yǔ)詞組
- Fire Detection & Alarm System 煙火警報(bào)器安裝及維修
- fire detection and alarm system 火災(zāi)自動(dòng)報(bào)警系統(tǒng);火災(zāi)探測(cè)報(bào)警系統(tǒng)
- Fire alarm and detection system 火災(zāi)報(bào)警和探測(cè)系統(tǒng) 返回 fire detection alarm system