[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fyMYnlQNVlBvFJ5Ott4jVeqb37dhtHHwzSH30_OEa0Ic":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":18,"related":19,"source":23,"type":24},[],"2025-12-04 09:19:56",249954171,[8,9,10],"扶手","出入口","梯级",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},29,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_46894075","2 扶梯导轨、桁架、梯级、梳齿结构(2025)","梳齿板装设在扶梯的( )",[20,25,33,41,49,57,65,74,83,91],{"answer":21,"createTime":5,"id":6,"options":22,"question":18,"source":23,"type":24},[],[8,9,10],"v1",0,{"answer":26,"createTime":5,"id":27,"options":28,"question":32,"source":23,"type":24},[],249954172,[29,30,31],"扶手上","梯级下部","出入口处","楼层板装设在扶梯的( )",{"answer":34,"createTime":5,"id":35,"options":36,"question":40,"source":23,"type":24},[],249954173,[37,38,39],"4个主轮","4个副轮","2个主轮和2个副轮","自动扶梯的梯级是特殊结构形式的四轮小车,有( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":48,"source":23,"type":24},[],249954174,[45,46,47],"6","10","20","为了避免金属桁架挠度超出最大限度值,当自动扶梯提升高度超过( )m时,需在金属桁架与建筑物之间安装中间支承",{"answer":50,"createTime":5,"id":51,"options":52,"question":56,"source":23,"type":24},[],249954175,[53,54,55],"一","二","三","小高度自动扶梯一般只需增设( )个中间支承",{"answer":58,"createTime":5,"id":59,"options":60,"question":64,"source":23,"type":24},[],249954176,[61,62,63],"1\u002F750","1\u002F1000","1500","按照国家标准的规定:自动扶梯根据5 000 N\u002F㎡ 的载荷计算或实测的最大挠度,不应超过支承距离的( )",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":23,"type":24},[],249954177,[69,70,71,72],"主轮","副轮","主轮导轨","副轮导轨","与梯级链条铰接在一起的是梯级的( )",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":23,"type":24},[],249954178,[78,79,80,81],"内六角钥匙","三角钥匙","T型扳手","压板(松闸扳手)","楼层盖板的拆装工具是( )",{"answer":84,"createTime":5,"id":85,"options":86,"question":90,"source":23,"type":24},[],249954179,[87,88,89],"刚度","强度","挠度","是抵抗弹性变形的能力",{"answer":92,"createTime":5,"id":93,"options":94,"question":98,"source":23,"type":24},[],249954180,[95,96,97],"30","35","40","根据国标要求,梳齿水平倾角要求≤( ) ̊"]