category_2.id,category_2.ts,category_2.title,category_2.category_1,category_1.id,category_1.ts,category_1.title
1,"2018-08-22 05:38:11",进口钢琴,钢琴,1,"2018-08-22 05:30:54",钢琴
2,"2018-08-22 05:38:11",合资钢琴,钢琴,1,"2018-08-22 05:30:54",钢琴
3,"2018-08-22 05:38:11",中国名琴,钢琴,1,"2018-08-22 05:30:54",钢琴
4,"2018-08-22 05:38:11",手卷钢琴,钢琴,1,"2018-08-22 05:30:54",钢琴
5,"2018-08-22 05:38:11",电钢琴,钢琴,1,"2018-08-22 05:30:54",钢琴
6,"2018-08-22 05:38:11",二手钢琴,钢琴,1,"2018-08-22 05:30:54",钢琴
7,"2018-08-22 05:39:59",古筝,管弦乐器,2,"2018-08-22 05:30:54",管弦乐器
8,"2018-08-22 05:39:59",吉他,管弦乐器,2,"2018-08-22 05:30:54",管弦乐器
9,"2018-08-22 05:39:59",电子琴,管弦乐器,2,"2018-08-22 05:30:54",管弦乐器
10,"2018-08-22 05:39:59",小提琴,管弦乐器,2,"2018-08-22 05:30:54",管弦乐器
11,"2018-08-22 05:39:59",琵琶,管弦乐器,2,"2018-08-22 05:30:54",管弦乐器
12,"2018-08-22 05:39:59",笛箫,管弦乐器,2,"2018-08-22 05:30:54",管弦乐器
13,"2018-08-22 05:39:59",萨克斯,管弦乐器,2,"2018-08-22 05:30:54",管弦乐器
14,"2018-08-22 05:39:59",大提琴,管弦乐器,2,"2018-08-22 05:30:54",管弦乐器
15,"2018-08-22 05:40:00",钢琴配件,配件/其他,3,"2018-08-22 05:30:54",配件/其他
16,"2018-08-22 05:40:00",古筝配件,配件/其他,3,"2018-08-22 05:30:54",配件/其他
17,"2018-08-22 05:40:00",吉他配件,配件/其他,3,"2018-08-22 05:30:54",配件/其他