[{"id":"5501","txt":"航空客货运输服务","pid":"55","num":1,"deep":2},{"id":"5502","txt":"通用航空服务","pid":"55","num":2,"deep":2},{"id":"5503","txt":"航空运输辅助服务","pid":"55","num":3,"deep":2},{"id":"550101","txt":"航空旅客运输服务","pid":"5501","num":1,"deep":3},{"id":"550102","txt":"航空货物运输服务","pid":"5501","num":2,"deep":3},{"id":"5501030000","txt":"空间运输服务","pid":"5501","num":3,"deep":3},{"id":"550201","txt":"通用航空生产服务","pid":"5502","num":1,"deep":3},{"id":"550299","txt":"其他通用航空服务","pid":"5502","num":2,"deep":3},{"id":"550301","txt":"机场服务","pid":"5503","num":1,"deep":3},{"id":"550302","txt":"空中交通管理服务","pid":"5503","num":2,"deep":3},{"id":"550399","txt":"其他航空运输辅助服务","pid":"5503","num":3,"deep":3},{"id":"55010101","txt":"定期航班飞机客运服务","pid":"550101","num":1,"deep":4},{"id":"5501010200","txt":"不定期航班旅客运输服务","pid":"550101","num":2,"deep":4},{"id":"55010201","txt":"定期航班飞机货运服务","pid":"550102","num":1,"deep":4},{"id":"5501020200","txt":"不定期航班货物运输服务","pid":"550102","num":2,"deep":4},{"id":"5502010100","txt":"飞机播种服务","pid":"550201","num":1,"deep":4},{"id":"5502010200","txt":"飞机喷药服务","pid":"550201","num":2,"deep":4},{"id":"5502010300","txt":"飞机探测服务","pid":"550201","num":3,"deep":4},{"id":"5502010400","txt":"飞机航拍服务","pid":"550201","num":4,"deep":4},{"id":"5502010500","txt":"飞机抢险服务","pid":"550201","num":5,"deep":4},{"id":"5502010600","txt":"飞机水上救生与搜寻服务","pid":"550201","num":6,"deep":4},{"id":"5502010700","txt":"飞机救援服务","pid":"550201","num":7,"deep":4},{"id":"5502019900","txt":"其他通用航空生产服务","pid":"550201","num":8,"deep":4},{"id":"5502990100","txt":"航空飞行俱乐部服务","pid":"550299","num":1,"deep":4},{"id":"5502990200","txt":"游览飞行服务","pid":"550299","num":2,"deep":4},{"id":"5502999900","txt":"其他未列明通用航空服务","pid":"550299","num":3,"deep":4},{"id":"5503010100","txt":"旅客安全检查服务","pid":"550301","num":1,"deep":4},{"id":"5503010200","txt":"旅客行李托运服务","pid":"550301","num":2,"deep":4},{"id":"5503010300","txt":"旅客进出站服务","pid":"550301","num":3,"deep":4},{"id":"5503010400","txt":"机场摆渡车服务","pid":"550301","num":4,"deep":4},{"id":"5503010500","txt":"机场货物搬运服务","pid":"550301","num":5,"deep":4},{"id":"5503010600","txt":"停机坪管理服务","pid":"550301","num":6,"deep":4},{"id":"5503019900","txt":"其他机场服务","pid":"550301","num":7,"deep":4},{"id":"5503020100","txt":"飞机起降服务","pid":"550302","num":1,"deep":4},{"id":"5503020200","txt":"飞行调度服务","pid":"550302","num":2,"deep":4},{"id":"5503020300","txt":"飞行导航服务","pid":"550302","num":3,"deep":4},{"id":"5503020400","txt":"飞行通讯服务","pid":"550302","num":4,"deep":4},{"id":"5503020500","txt":"地面信号管理服务","pid":"550302","num":5,"deep":4},{"id":"5503020600","txt":"空中飞行管理服务","pid":"550302","num":6,"deep":4},{"id":"5503029900","txt":"其他空中交通管理服务","pid":"550302","num":7,"deep":4},{"id":"5503990100","txt":"机场电力管理服务","pid":"550399","num":1,"deep":4},{"id":"5503990200","txt":"飞机供给服务","pid":"550399","num":2,"deep":4},{"id":"5503990300","txt":"飞机维护服务","pid":"550399","num":3,"deep":4},{"id":"5503990400","txt":"飞机安全服务","pid":"550399","num":4,"deep":4},{"id":"5503990500","txt":"飞机跑道管理服务","pid":"550399","num":5,"deep":4},{"id":"5503999900","txt":"其他未列明航空运输辅助服务","pid":"550399","num":6,"deep":4},{"id":"5501010101","txt":"国内航班客运服务","pid":"55010101","num":1,"deep":5},{"id":"5501010102","txt":"国际航班客运服务","pid":"55010101","num":2,"deep":5},{"id":"5501020101","txt":"定期航班邮政运输服务","pid":"55010201","num":1,"deep":5},{"id":"5501020199","txt":"其他定期航班飞机货运服务","pid":"55010201","num":2,"deep":5}]