| | WhatmanGrade1定性滤纸1001-400GR 1 40.0CM 100/PK | 8 | ￥811.00 | ￥811.00 | | ￥811.00 |  |
| | Pulsafeede LPH8MA WTCB-XXX 4至20 mA的步伐泵，500加仑，115 VAC | 191 | ￥19120.00 | ￥19120.00 | | ￥19120.00 | |
| | Whatman Grade 595定性滤纸10311647 Grade 595 FF 185MM 100/PK | 3 | ￥374.00 | ￥374.00 | | ￥374.00 | |
| | 美国cospheric Fluorescent Yellow Polyethylene Microspheres 1.00g/cc - Various Sizes 10um to 1200um (1.2mm) | 0 | ￥0.00 | ￥0.00 | | ￥0.00 | |
