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| | AR834 噪音计/声级计 | 4 | ¥480.00 | ¥480.00 | | ¥480.00 |  |
| | Cole-Parmer P23/1-N082-03ST0 变截面流量计 | 29 | ¥2970.00 | ¥2970.00 | | ¥2970.00 |  |
| | DOP3000气溶胶光度计 | 1136 | ¥113600.00 | ¥113600.00 | | ¥113600.00 |  |