| | Thermo Scientific HYPERSIL 30503-252130 SAS（C1）柱 - 2.1mm内径，长度250mm，3μm的颗粒大 | 54 | ￥5405.00 | ￥5405.00 | | ￥5405.00 |  |
| | Cole-Parmer®惰性电磁自吸式微型泵，40微升，24 VDC，聚四氟乙烯，Perfluroelastomer | 37 | ￥3751.00 | ￥3751.00 | | ￥3751.00 | |
| | NYCO 65 VASELINE 400G包装,AIR 3565A S-743 | 4 | ￥461.04 | ￥461.04 | | ￥461.04 | |
