[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fT2jH49IwETIInv8LIGkz09OFD16dmtR-MFztRSpJInI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-04-11 20:04:41",137886190,[8,9,10,11],"1.0","1.5","1.7","1.6",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},490,"5d90ff4e919db63fa1bb6aab422a28a8","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","市政管道工程施工","work_32630734","作业0","已知 DN500 污水管道的埋设深度为 2.1m,如不计管壁厚度,则管道的覆土厚度为( )m",[21,33,42,51,59,67,76,79,88,97],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-04-11 20:04:40",137886184,[26,27,28,29],"水源","水厂","清水池","水塔","给水系统是指从( )取水,按照人们生活和工业生产等对水质的要求,在水厂中进行处理,然后把水供给用户的一系列构筑物","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],137886185,[37,38,39,40],"排气阀","泄压阀","泄水阀","检查井","在输水管道和配水管网隆起点和平直段的必要位置上应装设( )",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],137886186,[46,47,48,49],"合流制","满流制","非满流制","混流制","城市排水体制可分为( )和分流制两种",{"answer":52,"createTime":23,"id":53,"options":54,"question":58,"source":31,"type":32},[],137886187,[55,56,46,57],"集流制","截流制","分流制","我国新建城区一般采用( )排水系统",{"answer":60,"createTime":5,"id":61,"options":62,"question":66,"source":31,"type":32},[],137886188,[63,40,64,65],"水封井","跌水井","截流井","为便于对管渠系统作定期检查、清通和连接上、下游管道, 必须在管道适当位置上设置( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":31,"type":32},[],137886189,[71,72,73,74],"10","15","20","25","雨水口以连接管与街道排水管渠的检查井相连,连接管长度不宜超过( )m",{"answer":77,"createTime":5,"id":6,"options":78,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":31,"type":32},[],137886191,[83,84,85,86],"高压 A","次高压 A","高压 B","次高压 B","西气东输管道属于( )燃气管道",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":31,"type":32},[],137886192,[92,93,94,95],"从热源至热力站的供回水管网","从热力站到用户的供回水管网","从热源至热用户的供水管网","从热用户至热源的回水管网","热力管道的二级管网是指( )",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":31,"type":32},[],137886193,[101,102,103,104],"盾构法","夯管法","定向钻","浅埋暗挖法","施工速度快、成本较低的不开槽管道施工方法是( )"]