things中的“After the fire appearsto be out, continue to watch the fire area to make sure it doesn'tstart burning again."可知,灭火后,仍需持续观察火场,避免火苗再起。故选C。4. B 根据文中 Have a clear exit route 中的“Before operatingthe fire extinguisher, make sure you have a clear ...
高层楼房发生火灾时,如何使用灭火器,How to Use a Fire Extinguisher,人人都要学会,积极参与消防演习的老外。, 视频播放量 229、弹幕量 0、点赞数 1、投硬币枚数 0、收藏人数 1、转发人数 0, 视频作者 seanpan9999, 作者简介 ,相关视频:快来跟我一起学习一下吧,油锅
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A. Point the extinguisher nozzle at the base of the fireB. Pull the pinC. Squeeze the triggerD. Hold the extinguisher horizontally 相关知识点: 试题来源: 解析 ABC 正确操作便携式灭火器的步骤包括:拉出保险销、将喷嘴对准火源底部、挤压扳机。因此,正确答案为 ABC。选项 D 错误,因为灭火器应该垂直持...
In case of fire emergency, everyone should follow the right way to escape. Then, it is necessary for every family to buy a fire extinguisher. Also, make sure that every family member knows how to use it. 阅读短文,选择最佳答案。 ( C ) 1. It's good for us to know how to protect ...
How to Use a Fire Extinguisher By: Tom Harris | Updated: Nov 30, 2023 While there's a good chance your fire extinguisher will sit on the wall for years, collecting dust, it could end up saving your property and even your life. Jeffrey Coolidge / Getty Images A fire extinguis...
Flame colors span a spectrum that tells a tale as old as fire itself. Many people wonder what color is the hottest flame; more than a testament to the natural fascination with fire's beauty, this question underscores a fundamental principle in the scienc
When the fire happens, everyone should stay c4.and follow the right way to escape. Last but not least, it is n5. for every family to buy a fire extinguisher (灭火器). And also make sure that every family member knows how to use it....
The article offers suggestions regarding the use of fire extinguishers during fire outbreak on boats which include proper handling of the fire extinguisher, sweeping the base of fire with extinguishers and using extinguisher according to the type ...
what is fire extinguisher and how to use fire extinguisher what is fire extinguisher and how to use fire extinguisher fire extinguisher is a portable device which used to extinguish or control small fires, it is use often in emergency situations. fire extinguisher discharges a jet of water, dry...