category_1.id,category_1.ts,category_1.title
1,"2018-09-25 22:22:16",商业服务
2,"2018-09-25 22:22:16",机械及工业制品
3,"2018-09-25 22:22:16",化工
4,"2018-09-25 22:22:16",建材、房地产
5,"2018-09-25 22:22:16",电子电工
6,"2018-09-25 22:22:16",仪器仪表
7,"2018-09-25 22:22:16",冶金矿产
8,"2018-09-25 22:22:16",农业
9,"2018-09-25 22:22:16",家居用品
10,"2018-09-25 22:22:16",安防
11,"2018-09-25 22:22:16",医药/保健/器械
12,"2018-09-25 22:22:16",环保
13,"2018-09-25 22:22:16",包装、纸
14,"2018-09-25 22:22:16",食品、饮料
15,"2018-09-25 22:22:16",礼品、工艺品
16,"2018-09-25 22:22:16",能源
17,"2018-09-25 22:22:16",交通运输
18,"2018-09-25 22:22:16",电脑、软件
19,"2018-09-25 22:22:16",五金
20,"2018-09-25 22:22:16",家电
21,"2018-09-25 22:22:16",办公文教及光仪
22,"2018-09-25 22:22:16",汽摩及配件
23,"2018-09-25 22:22:16",运动、休闲
24,"2018-09-25 22:22:16",通讯产品
25,"2018-09-25 22:22:16",纺织、皮革
26,"2018-09-25 22:22:16",服装服饰
27,"2018-09-25 22:22:16",印刷、出版
28,"2018-09-25 22:22:16",便民生活
29,"2018-09-25 22:22:16",库存积压
30,"2018-09-25 22:22:16",玩具