[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fWQnaOoCQ2AYcfqVYox6FLjozxgKgpYqpNVOYI60bNp0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2025-08-05 07:49:57",214101713,[8,9,10,11],"Flexibility","Energy conservation and environmental protection","Space saving","Continuous operation",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},371,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","187ae5a09d3d4dde89be53885281578e","Course Test","Which of the following is NOT a main working feature of rubber - tyred gantry cranes (RTG)",[21,33,42,51,60,69,78,87,94,97],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2025-08-25 12:09:49",214101705,[26,27,28,29],"Well sweep","Electric hoist","Truck crane","Crawler crane","Which of the following equipment is one of the early forms of port lifting machinery","v1",0,{"answer":34,"createTime":5,"id":35,"options":36,"question":41,"source":31,"type":32},[],214101706,[37,38,39,40],"Still rely on human power for driving","Use wooden drums and ropes","Added reducers and pulley blocks to improve efficiency","Mainly used for agricultural irrigation","Which of the following describes the main characteristics of modern winches compared with traditional windlasses",{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":31,"type":32},[],214101707,[46,47,48,49],"Gantry crane","Overhead crane","Cantilever crane","Mobile crane","Which of the following lifting machinery does not belong to the category of bridge cranes",{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":31,"type":32},[],214101708,[55,56,57,58],"Rope","Water - lifting container","Tree trunk","Big stone","In ancient well sweeps, which part plays the role of a fulcrum",{"answer":61,"createTime":5,"id":62,"options":63,"question":68,"source":31,"type":32},[],214101709,[64,65,66,67],"Loading and unloading ship cargo","Stacking and transferring","Container operations","Ship manufacturing","Which of the following is NOT a main purpose of port hoisting machinery",{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":31,"type":32},[],214101710,[73,74,75,76],"Lifting goods, transporting goods, unloading goods, returning to the original position","Only lifting goods","Only unloading goods","No fixed process","Which of the following is usually included in a working cycle of port hoisting machinery",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":31,"type":32},[],214101711,[82,83,84,85],"High efficiency","Large load capacity","Static nature","Adaptability","Which of the following is NOT a working characteristic of port hoisting machinery",{"answer":88,"createTime":5,"id":89,"options":90,"question":93,"source":31,"type":32},[],214101712,[82,91,92,84],"Large span","Automation","Which of the following is NOT a main working feature of container quay cranes",{"answer":95,"createTime":5,"id":6,"options":96,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":31,"type":32},[],214101714,[101,102,103,104],"Containers","General cargo","Bulk cargo (such as coal, ore)","Liquid cargo","Which kind of cargo are bridge - type grab ship unloaders mainly used for unloading"]