[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fTKFXgc0qukGWDNV_LINqFVaKBYtaF2vXgtOvQwNX__8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":50},[],"2023-11-20 11:35:49",107130411,[8,9,10,11],"可以将灭火器的盖与底对着人","可以与水喷射在一起,提升灭火效果","灭火后,把灭火器卧放在地上,喷嘴朝下","扑灭电气火灾时,应先切断电源,防止人员触电",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},4,"0b31f70d39f72aa2d04095c4c9e1e5b8","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1e6fcefcc92dd6f407e0729cfc97aa51.png","化学实验安全知识（光学工程、光电信息工程、材料工程、材料科学与工程必修）","6819a3ab799e4a2dbb4aa9fddd33a15f","11.2 灭火器分类及安全使用","关泡沫灭火器的使用,下列说法中正确的有()",[21,32,41,51],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],107130405,[25,26,27,28],"手提式清水灭火器","推车式泡沫灭火器","手提式干粉灭火器","手提式二氧化碳灭火器","MF指的是()","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],107130407,[36,37,38,39],"清水灭火器通过冷却作用灭火","清水灭火器通过冷却作用灭火,主要用于扑救A类固体火灾","泡沫灭火器可分为化学泡沫灭火器和空气泡沫(机械泡沫)灭火器,通过冷却和窒息作用灭火","泡沫灭火器可用于扑灭金属火灾","关于灭火器,下列中错误的是()",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":50},[],107130408,[45,46,47,48],"油类","木材","纤维","橡胶","泡沫灭火器主要用于扑救()",1,{"answer":52,"createTime":5,"id":6,"options":53,"question":19,"source":30,"type":50},[],[8,9,10,11]]