直播摄像头
4
5
21
0
3
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
3
2
6
5
7
4
9
3
1
3
4
20
4
20
0
0
0
0
0
0
0
0
4
1
19
0
0
0
0
0
0
4
2
11
4
1
8
4
14
4
6
52
4
22
4
5
21
4
1
6
3
6
0
0
4
18
4
10
0
0
0
0
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
2
0
0
0
0
4
1
0
1
0