| | Whatman Grade 3236测试纸10345573 Grade 3236 110X20MM 500/PK | 0 | ￥0.00 | ￥0.00 | | ￥0.00 |  |
| | Spectra/Mesh PEEK，55毫米屏幕光盘式滤膜 | 25 | ￥2500.00 | ￥2500.00 | | ￥2500.00 | |
| | Whatman ME25/91 混合纤维素酯10407379 ME25/91 STL 0.45uM 50MM 400/PK，尺寸：50MM 孔径0.45um | 0 | ￥0.00 | ￥0.00 | | ￥0.00 | |
| | 英国Casella CEL-632C2精密积分声级计 | 289 | ￥28912.56 | ￥28912.56 | | ￥28912.56 | |
