| | Air Cadet® 4000572-01 PRO, 0.5 CFM, Chemical duty, 115 VAC | 170 | ￥17000.00 | ￥17000.00 | | ￥17000.00 |  |
| | Whatman RC58再生纤维素膜10410338 RC58 34.5MMx50M 1/PK，尺寸：34.5MMx50M 孔径0.2um | 0 | ￥0.00 | ￥0.00 | | ￥0.00 | |
| | Whatman ME26/31混合纤维素酯膜10409834 ME26/31 STL 0.6uM 50MM 400/PK，尺寸：50MM 孔径0.6um | 29 | ￥2970.00 | ￥2970.00 | | ￥2970.00 | |
| | Cole-Parmer 50K-9 质量流量计 | 40 | ￥4004.00 | ￥4004.00 | | ￥4004.00 | |
| | Cole-Parmer 912091 压力/真空系统 | 33 | ￥3355.00 | ￥3355.00 | | ￥3355.00 | |
