category_2.id,category_2.ts,category_2.title,category_1.id,category_1.ts,category_1.title
1,"2018-10-09 23:08:10",食品,1,"2018-10-09 02:44:25",原材料
2,"2018-10-09 23:10:59",橡塑网,1,"2018-10-09 02:44:25",原材料
3,"2018-10-09 23:13:44",纺织、皮革,1,"2018-10-09 02:44:25",原材料
4,"2018-10-09 23:15:57",电工电气,1,"2018-10-09 02:44:25",原材料
5,"2018-10-09 23:17:57",冶金矿产,1,"2018-10-09 02:44:25",原材料
6,"2018-10-09 23:19:52",精细化学品,1,"2018-10-09 02:44:25",原材料
7,"2018-10-09 23:21:58",机械,2,"2018-10-09 02:44:25",工业用品
8,"2018-10-09 23:24:03",照明,2,"2018-10-09 02:44:25",工业用品
9,"2018-10-09 23:25:57",化工,2,"2018-10-09 02:44:25",工业用品
10,"2018-10-09 23:27:47",仪器仪表,2,"2018-10-09 02:44:25",工业用品
11,"2018-10-09 23:29:51",机床及配件,2,"2018-10-09 02:44:25",工业用品
12,"2018-10-09 23:31:53",电子元器件,2,"2018-10-09 02:44:25",工业用品
13,"2018-10-09 23:33:46",能源,2,"2018-10-09 02:44:25",工业用品
14,"2018-10-09 23:35:31",生活服务,3,"2018-10-09 02:44:25",商业服务
15,"2018-10-09 23:37:34",健康保健,3,"2018-10-09 02:44:25",商业服务
16,"2018-10-09 23:39:25",婴幼儿教育,3,"2018-10-09 02:44:25",商业服务
17,"2018-10-09 23:41:22",教育培训,3,"2018-10-09 02:44:25",商业服务
18,"2018-10-09 23:43:50",服装加盟,3,"2018-10-09 02:44:25",商业服务
19,"2018-10-09 23:46:02",外语培训,3,"2018-10-09 02:44:25",商业服务
20,"2018-10-09 23:47:57",买卖,4,"2018-10-09 02:44:25",消费品
21,"2018-10-09 23:50:02",宠物,4,"2018-10-09 02:44:25",消费品
22,"2018-10-09 23:52:06",服装服饰,4,"2018-10-09 02:44:25",消费品
23,"2018-10-09 23:54:06",皮包,4,"2018-10-09 02:44:25",消费品
24,"2018-10-09 23:56:06",房产,4,"2018-10-09 02:44:25",消费品
25,"2018-10-09 23:57:49",二手汽车,4,"2018-10-09 02:44:25",消费品
26,"2018-10-09 23:59:48",汽车配件,4,"2018-10-09 02:44:25",消费品
27,"2018-10-09 02:44:25",家用电器,4,"2018-10-09 02:44:25",消费品