[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fdka8_1dJxCTADiPPgcteuzfEVwmnDN1BtkVdtaCpNVc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2026-01-16 03:56:29",313115022,[8,9,10,11],"冰","液态水","水蒸气","相同",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","根据导热机理,水在( )状态下导热系数最小",[18,23,32,41,47],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",0,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],313115023,[27,28,29,30],"25℃\u002Fm,方向垂直于外墙,指向室外","25℃\u002Fm,方向垂直于外墙,指向室内","100℃\u002Fm,方向垂直于外墙,指向室外","100℃\u002Fm,方向垂直于外墙,指向室内","有一房间,外墙厚度400mm,室内墙表面温度为25℃,室外墙表面温度-15℃,则外墙的温度梯度为( )",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":21,"type":22},[],313115024,[36,37,38,39],"温度梯度为1K\u002Fm时单位时间内单位面积热流量","温度为1K时单位时间内单位面积热流量","温度为1K时单位时间内热流量","温度梯度为1K\u002Fm时单位时间内热流量","热导率在数值上等于( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":45,"source":21,"type":46},[],313115025,[],"为什么多层平壁中温度分布曲线不是一条连续的直线而是一条折线",4,{"answer":48,"createTime":5,"id":49,"options":50,"question":51,"source":21,"type":52},[],313115026,[],"已知砖的壁厚为370mm,表面积为15m2,两侧壁面温度分别为-20℃和18℃,热导率为1.2W\u002F(m.K).试求通过砖壁的热流密度",7]