[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f7iIkq_0s6ulb13BRUn56xkvgg0S-2D7kLGxQni5UBYM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-12-18 18:53:13",115273007,[8,9,10,11],"涂环氧煤沥青","涂水泥砂浆","涂石油沥青","涂防锈漆",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},4,"e1e34f66b35d31ecd449b7c31529e879","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F78f2167188caac71ef670ace14a16237.JPG","给水排水管网系统","0deedad099494261a7b581be7b43c41e","10 单元测验","有一条DN600给水钢管,宜首先考虑采用何种材料做内防腐处理",[21,32,35,44],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],115273002,[25,26,27,28],"供水规模","供水压力","供水管材","供水管径","管网漏损率与下列哪项无关","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":30,"type":31},[],115273011,[39,40,41,42],"采用自来水冲洗","采用管道内污水自冲","采用河水冲洗","采用机械清通","当排水管道内淤泥超过30%,下列哪种清通方法不适用的是",{"answer":45,"createTime":46,"id":47,"options":48,"question":53,"source":30,"type":54},[],"2023-12-18 18:53:14",115273015,[49,50,51,52],"硫化氢","甲烷","二氧化碳","苯","管道中的污水和某些生产污水析出的下列气体中,哪些能与空气中的氧混合形成爆炸性气体",1]