| 1 |
00:00 261 |
| 2 |
00:00 270 |
| 3 |
00:00 269 |
| 4 |
00:00 256 |
| 5 |
00:00 248 |
| 6 |
00:00 255 |
| 7 |
00:00 265 |
| 8 |
00:00 224 |
| 9 |
00:00 276 |
| 10 |
00:00 217 |
| 11 |
00:00 245 |
| 12 |
00:00 272 |
| 13 |
00:00 248 |
| 14 |
00:00 224 |
| 15 |
00:00 259 |
| 16 |
00:00 251 |
| 17 |
00:00 257 |
| 18 |
00:00 248 |
| 19 |
00:00 226 |
| 20 |
00:00 219 |
| 21 |
00:00 234 |
| 22 |
00:00 231 |
| 23 |
00:00 226 |
| 24 |
00:00 252 |
| 25 |
00:00 239 |
| 26 |
00:00 237 |
| 27 |
00:00 219 |
| 28 |
00:00 235 |
| 29 |
00:00 251 |
| 30 |
00:00 261 |
| 31 |
00:00 228 |
| 32 |
00:00 239 |
| 33 |
00:00 240 |
| 34 |
00:00 212 |
| 35 |
00:00 241 |
| 36 |
00:00 187 |
| 37 |
00:00 194 |
| 38 |
00:00 192 |
| 39 |
00:00 203 |
| 40 |
00:00 179 |
| 41 |
00:00 243 |
| 42 |
00:00 214 |
| 43 |
00:00 215 |
| 44 |
00:00 211 |
室内空气检测中的气相色谱问题(三)