[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fgiGHrnYAaTghsbt0QG5c68Ondy1lq7StfckhpLA0Hd4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":27,"type":28},[],"2025-12-22 01:14:59",278310771,[8,9,10,11],"TN-C、TN-C-S、TN-S","TN、TN-C、TN-S","TN-C、TN-S、IT","TN、TT、IT",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},6,"17cb88fbd68c7fdd568039916ecf38b2","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","现代电气控制系统安装与调试实训","a1b88bc8795b43f7ae6536e276324fd6","4.1 防止间接接触电击的技术措施","低压供配电系统的接地方式分为( )三种.",[21,29,40,43,48,56],{"answer":22,"createTime":23,"id":24,"options":25,"question":26,"source":27,"type":28},[],"2023-11-06 23:27:58",103770427,[8,9,10,11],"低压供配电系统的接地方式分为( )三种","v1",0,{"answer":30,"createTime":23,"id":31,"options":32,"question":38,"source":27,"type":39},[],103770428,[33,34,35,36,37],"接地","接零","绝缘","屏护","等电位连接","下列属于防止间接接触电击的安全措施的有( )",1,{"answer":41,"createTime":5,"id":6,"options":42,"question":19,"source":27,"type":28},[],[8,9,10,11],{"answer":44,"createTime":5,"id":45,"options":46,"question":47,"source":27,"type":39},[],278310772,[33,34,35,36,37],"下列属于防止间接接触电击的安全措施的有( ).",{"answer":49,"createTime":5,"id":50,"options":51,"question":54,"source":27,"type":55},[],278310773,[52,53],"正确","错误","加强绝缘和电气隔离是防止间接接触电击的最基本安全技术措施.( )",3,{"answer":57,"createTime":5,"id":58,"options":59,"question":60,"source":27,"type":55},[],278310774,[52,53],"把所有容易同时接近的裸露导体互相连接起来,以防止危险的接触电压的技术措施,称为等电位联结.( )"]