b: a B picture 第二流影片。 A B ...型: mould; model火警: fire alarm police探测器: finder; detector; seeker; so ...a型火警探测器: type a detectorc型火警探测器: type c detectord型火警探测器: type d detector火警探测器: fire detector; fire-detector定温式火警探测器: fixed temperature detector火警探测器开关: fire detector switch离式式火警探测器: fire alarm detector of ion type热力式火警探测器: fire alarm detector of thermal type升温式火警探测器: rate-of-rise detector火焰敏感式火警探测器: flame-responsive detector火警探测: fire detection火警探测报警: fire -detecting alarm火警探测电门: fire detector switch火警探测设备: fire detection apparatus火警探测系统: fire detecting system; fire detection system; fire detector system; fire-detecting system火警探测元件: fire detector element火警探测装置: fire detecting device电气火警探测系统: electric fire detecting system气动火警探测系统: aeropneumatic fire-detecting system; pneumatic fire detecting system烟管火警探测系统: smoke pipe fire detecting system点型火灾探测器: point type fire detector; spot- type fire detector