[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJghrN06EHluBMSDo47IesVzygdddUMZMCuaSTV9O1-c":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":29,"type":30},[],"2024-03-31 20:43:30",136445644,[8,9,10,11],"D102*5","De63","D108×5","DN100",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"e8c8df23a5e528213b604212afbb1656","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe7d9d0acc5c567d8c6f1d51aa7f519fe.png","建筑设备识图与施工工艺","work_33826120","给排水管道材质及规格","下列用公称直径表示的是( )",[21,31,40,49,58,67,76,85,91,100],{"answer":22,"createTime":5,"id":23,"options":24,"question":28,"source":29,"type":30},[],136445635,[25,26,9,27],"DN 100","D500","D108*5(外径×壁厚)","在施工图中一般用公称直径来描述管径,但在实际工程中,无缝钢管、铜管和不锈钢管习惯用( )表示","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],136445636,[35,36,37,38],"复合管","镀锌金属管","有色金属管","铝塑复合管","目前使用的管道主要有三大类,第一类是金属管,如钢管、不锈钢管等,第二类是塑料管,第三类是( )",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":29,"type":30},[],136445637,[44,45,46,47],"塑料管的公称直径","塑料管的内径","塑料管的外径为63mm","塑料管的内径为63mm","De63表示的是()",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":29,"type":30},[],136445638,[53,54,55,56],"铸铁管","焊接钢管","无缝钢管","仝管","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe04b0c517db4a3351a42713392e32999.png\">图示是什么管材()",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":29,"type":30},[],136445639,[62,63,64,65],"聚丙烯管","聚氯乙烯管","硬聚氯乙烯管","PE管","UPVC为( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":29,"type":30},[],136445640,[71,72,73,74],"给水系统","连续排放温度不高于40℃、瞬时排放温度不高80℃的生活污 水系统","饮用水系统","自动喷水灭火系统","UPVC管适用于建筑高度不大于100m的( )和雨水系统",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":29,"type":30},[],136445641,[80,81,82,83],"螺纹连接","胶水粘接","热熔连接","焊接","UPVC常采用( )",{"answer":86,"createTime":5,"id":87,"options":88,"question":90,"source":29,"type":30},[],136445642,[83,89,80,82],"胶粘","PP-R常采用( )",{"answer":92,"createTime":5,"id":93,"options":94,"question":99,"source":29,"type":30},[],136445643,[95,96,97,98],"DN50","DN40","DN70","DN32","给水管采用环保型PP-R塑料管,管道外径与公称直径的对照关系,De63,对应( )",{"answer":101,"createTime":5,"id":6,"options":102,"question":19,"source":29,"type":30},[],[8,9,10,11]]