[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fzz98tBsLk0zg0lpgKsl_bHeX_9VtlxmNuQs2ELzIq6c":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":27,"type":28},[],"2026-05-05 16:54:23",358372378,[8,9,10,11],"减水剂","早强剂","引气剂","缓凝剂",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},15,"3518c02eefb7f29b732320316704ed64","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F01e0e24c84ec97d40dba702dddff5ec5.jpg","土木工程材料","018ce1ed56624a07a5bab7ba15ec052a","和易性","寒冷地区混凝土施工,常采用的混凝土外加剂是( ).",[21,29,38,47,56,61,64,69,74,79],{"answer":22,"createTime":23,"id":24,"options":25,"question":26,"source":27,"type":28},[],"2023-06-13 20:34:01",62812633,[8,9,10,11],"寒冷地区混凝土施工,常采用的混凝土外加剂是( )","v1",0,{"answer":30,"createTime":23,"id":31,"options":32,"question":37,"source":27,"type":28},[],62812634,[33,34,35,36],"维勃稠度","坍落度","强度","塑性黏度","以( )指标,混凝土可以分成低塑性混凝土、塑性混凝土、流动性混凝土和大流动性混凝土",{"answer":39,"createTime":23,"id":40,"options":41,"question":46,"source":27,"type":28},[],62812635,[42,43,44,45],"混凝土中砂的细度模数","混凝土中砂占砂石的质量比","混凝土中砂占石的质量比","混凝土中砂与混凝土的质量比","砂率是指( )",{"answer":48,"createTime":49,"id":50,"options":51,"question":54,"source":27,"type":55},[],"2023-06-14 04:37:27",63374868,[52,53],"正确","错误","维勃稠度越大,说明混凝土流动性越好",3,{"answer":57,"createTime":49,"id":58,"options":59,"question":60,"source":27,"type":55},[],63374869,[52,53],"从砂率选用表中选用合理砂率,但实际拌制时只有粗砂,这时有经验的工人应该将合理砂率相应减小",{"answer":62,"createTime":5,"id":6,"options":63,"question":19,"source":27,"type":28},[],[8,9,10,11],{"answer":65,"createTime":5,"id":66,"options":67,"question":68,"source":27,"type":28},[],358372379,[33,34,35,36],"以( )指标,混凝土可以分成低塑性混凝土、塑性混凝土、流动性混凝土和大流动性混凝土.",{"answer":70,"createTime":5,"id":71,"options":72,"question":73,"source":27,"type":28},[],358372380,[42,43,44,45],"砂率是指( ).",{"answer":75,"createTime":5,"id":76,"options":77,"question":78,"source":27,"type":55},[],358372381,[52,53],"维勃稠度越大,说明混凝土流动性越好.",{"answer":80,"createTime":5,"id":81,"options":82,"question":83,"source":27,"type":55},[],358372382,[52,53],"从砂率选用表中选用合理砂率,但实际拌制时只有粗砂,这时有经验的工人应该将合理砂率相应减小."]