| 1 |
00:00 235 |
| 2 |
00:00 190 |
| 3 |
00:00 260 |
| 4 |
00:00 287 |
| 5 |
00:00 378 |
| 6 |
00:00 202 |
| 7 |
00:00 178 |
| 8 |
00:00 188 |
| 9 |
00:00 203 |
| 10 |
00:00 165 |
| 11 |
00:00 180 |
| 12 |
00:00 164 |
| 13 |
00:00 174 |
| 14 |
00:00 202 |
| 15 |
00:00 184 |
| 16 |
00:00 175 |
| 17 |
00:00 168 |
| 18 |
00:00 198 |
| 19 |
00:00 213 |
| 20 |
00:00 148 |
| 21 |
00:00 199 |
| 22 |
00:00 169 |
| 23 |
00:00 177 |
| 24 |
00:00 184 |
| 25 |
00:00 159 |
| 26 |
00:00 184 |
| 27 |
00:00 172 |
| 28 |
00:00 207 |
水利工程测量及监测主要仪器设备介绍（上）