2月29日下午,我校学生走进都江堰市消防救援大队开展消防实践活动,和消防员进行一次“零距离”的接触。 In the eyes of children, a fire truck whistling past with its siren is a mysterious and interesting vehicle, just like engineering ve...
And , finally, I could hear the siren of the fire engine. 终于, 我听到了消防车的汽笛声. 互联网 Automobiles must make way for a fire engine. 任何车辆都必须为消防车让路. 互联网 There an emergency. Please send a fire engine. 这有火灾, ·请尽快派消防车来. ...
Twitter Google Share on Facebook fire alarm Thesaurus Medical Legal Financial Acronyms Encyclopedia Wikipedia fire alarm n. 1.A device, such as a siren, used in announcing the outbreak of a fire. 2.The signal, especially the noise, produced by such a device. ...
And , finally, I could hear the siren of thefire engine. 终于, 我听到了消防车的汽笛声. 期刊摘选 There is an emergency. Please send afire engine. 这有火灾, 请尽快派消防车来. 辞典例句 There was a great tooting and clanging, and afire enginerumBling past. ...
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Today we are going to learn how to teach children what to do in an emergency and let them know how to respond to a fire. 如何教育儿童有效避免火灾 How to Teach Children Effectively to Avoid Fires 01 教育儿童不要玩火,火柴、打火机不是玩具,不能随...
It's audible and visible to alert the occupants of a fire and warn people for evacuation. Pictures: Parameters: Product NameFire Alarm Siren Strobe Sounder Power Supply24VDC Alarm Current70 to 150mA Flash Frequency60±5 times/min Sound Volume≥100dB ...
. . 警笛的声音(Emergency Fire truck heading for fire . . . sound of siren), 本站编号31447040, 该音效专辑素材大小为4m, 时长为00:22, 声道为立体声, 音质为SQ无损品质, 比特率为1411k, 采样率为44100k, 该素材已被下载:1次, 更多精彩音效专辑素材,尽在爱给网。 该资源来自于专辑"[6700] ...
24V DC Outdoor Emergency Warning Alarm Siren with Strobe Light for Fire Alarm, Find Details and Price about Siren Fire Alarm Siren from 24V DC Outdoor Emergency Warning Alarm Siren with Strobe Light for Fire Alarm - Shenzhen Sumring Technology Co., Limit