[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJlBTPeoeTeSGa04EtXh1XGtEKNhmi4LkTZQNBShkWJM":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",214101706,[8,9,10,11],"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",{"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 describes the main characteristics of modern winches compared with traditional windlasses",[21,33,36,45,54,63,72,81,88,97],{"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":6,"options":35,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":37,"createTime":5,"id":38,"options":39,"question":44,"source":31,"type":32},[],214101707,[40,41,42,43],"Gantry crane","Overhead crane","Cantilever crane","Mobile crane","Which of the following lifting machinery does not belong to the category of bridge cranes",{"answer":46,"createTime":5,"id":47,"options":48,"question":53,"source":31,"type":32},[],214101708,[49,50,51,52],"Rope","Water - lifting container","Tree trunk","Big stone","In ancient well sweeps, which part plays the role of a fulcrum",{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":31,"type":32},[],214101709,[58,59,60,61],"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":64,"createTime":5,"id":65,"options":66,"question":71,"source":31,"type":32},[],214101710,[67,68,69,70],"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":73,"createTime":5,"id":74,"options":75,"question":80,"source":31,"type":32},[],214101711,[76,77,78,79],"High efficiency","Large load capacity","Static nature","Adaptability","Which of the following is NOT a working characteristic of port hoisting machinery",{"answer":82,"createTime":5,"id":83,"options":84,"question":87,"source":31,"type":32},[],214101712,[76,85,86,78],"Large span","Automation","Which of the following is NOT a main working feature of container quay cranes",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":31,"type":32},[],214101713,[92,93,94,95],"Flexibility","Energy conservation and environmental protection","Space saving","Continuous operation","Which of the following is NOT a main working feature of rubber - tyred gantry cranes (RTG)",{"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"]