city proper
美英
- un.城市市区
- 网络城市市区部分;个城区;中心城区

1
2
3
4
5
6
7
8
9
10
12
13
14
16
18
19
20
21
22
Utilization of underground water resource and controlling countermeasure of exceeding excavation the resource in Jiamusi City proper
23
24
25
26
27
28
29