| 1 |
00:00 347 |
| 2 |
00:00 357 |
| 3 |
00:00 334 |
| 4 |
00:00 334 |
| 5 |
00:00 344 |
| 6 |
00:00 334 |
| 7 |
00:00 337 |
| 8 |
00:00 309 |
| 9 |
00:00 357 |
| 10 |
00:00 295 |
| 11 |
00:00 314 |
| 12 |
00:00 337 |
| 13 |
00:00 317 |
| 14 |
00:00 302 |
| 15 |
00:00 325 |
| 16 |
00:00 336 |
| 17 |
00:00 353 |
| 18 |
00:00 333 |
| 19 |
00:00 294 |
| 20 |
00:00 301 |
| 21 |
00:00 306 |
| 22 |
00:00 299 |
| 23 |
00:00 294 |
| 24 |
00:00 311 |
| 25 |
00:00 317 |
| 26 |
00:00 300 |
| 27 |
00:00 310 |
| 28 |
00:00 305 |
| 29 |
00:00 324 |
| 30 |
00:00 345 |
| 31 |
00:00 302 |
| 32 |
00:00 310 |
| 33 |
00:00 320 |
| 34 |
00:00 282 |
| 35 |
00:00 309 |
| 36 |
00:00 254 |
| 37 |
00:00 261 |
| 38 |
00:00 259 |
| 39 |
00:00 272 |
| 40 |
00:00 247 |
| 41 |
00:00 305 |
| 42 |
00:00 279 |
| 43 |
00:00 282 |
| 44 |
00:00 275 |
室内空气检测中的气相色谱问题(二)