| 哈纳EC215台式电导率仪 | 44 | ¥4420.00 | ¥4420.00 | | ¥4420.00 |  |
| Thermo Scientific HYPERSIL 30805-152130 CPS(氰基)柱 - 长150mm,2.1mm内径,粒径5μm的 | 48 | ¥4805.00 | ¥4805.00 | | ¥4805.00 |  |
| HANNA哈纳EC214台式电导率仪 | 41 | ¥4199.00 | ¥4199.00 | | ¥4199.00 |  |
| Thermo Scientific HYPERSIL 30005-254630硅胶柱 - 长度250mm,ID4.6毫米,5μm的颗粒大小 | 48 | ¥4805.00 | ¥4805.00 | | ¥4805.00 |  |