category_1.id,category_1.ts,category_1.title
1,"2018-10-23 22:53:41",通用分析仪器
2,"2018-10-23 23:09:36",物性测试仪器
3,"2018-10-23 23:28:19",实验室常用设备
4,"2018-10-23 23:33:59",检验分析仪器
5,"2018-10-24 00:10:46",行业专用
6,"2018-10-24 00:22:38",实验试剂制品
7,"2018-10-24 00:33:15",实验耗材配件
8,"2018-10-24 00:39:01",实验室安全防护
9,"2018-10-24 00:47:36",计量器具
10,"2018-10-24 01:09:11",自动化仪器仪表
11,"2018-10-24 01:19:20",净化
12,"2018-10-23 22:38:17",医疗器械