category_2.id,category_2.ts,category_2.title,category_1.id,category_1.ts,category_1.title
1,"2018-09-28 01:49:46",建筑陶瓷,1,"2018-09-28 01:49:46",陶瓷
2,"2018-09-28 01:49:46",工艺陶瓷,1,"2018-09-28 01:49:46",陶瓷
3,"2018-09-28 01:49:46",日用陶瓷,1,"2018-09-28 01:49:46",陶瓷
4,"2018-09-28 01:49:46",卫浴陶瓷,1,"2018-09-28 01:49:46",陶瓷
5,"2018-09-28 01:49:46",工业陶瓷,1,"2018-09-28 01:49:46",陶瓷
6,"2018-09-28 01:49:46",特种陶瓷,1,"2018-09-28 01:49:46",陶瓷
7,"2018-09-28 01:49:46",通用塑料,2,"2018-09-28 01:49:46",橡胶塑料
8,"2018-09-28 01:49:46",工程塑料,2,"2018-09-28 01:49:46",橡胶塑料
9,"2018-09-28 01:49:46",再生塑料,2,"2018-09-28 01:49:46",橡胶塑料
10,"2018-09-28 01:49:46",天然橡胶,2,"2018-09-28 01:49:46",橡胶塑料
11,"2018-09-28 01:49:46",合成橡胶,2,"2018-09-28 01:49:46",橡胶塑料
12,"2018-09-28 01:49:46",橡胶板材,2,"2018-09-28 01:49:46",橡胶塑料
13,"2018-09-28 01:49:46",涂料,3,"2018-09-28 01:49:46",精细化工
14,"2018-09-28 01:49:46",涂料溶剂,3,"2018-09-28 01:49:46",精细化工
15,"2018-09-28 01:49:46",助剂,3,"2018-09-28 01:49:46",精细化工
16,"2018-09-28 01:49:46",油漆,3,"2018-09-28 01:49:46",精细化工
17,"2018-09-28 01:49:46",颜料填料,3,"2018-09-28 01:49:46",精细化工
18,"2018-09-28 01:49:46",树脂原料,3,"2018-09-28 01:49:46",精细化工