| I-Chem 321-0125-RWD 125ml SS 高透明玻璃瓶,已认证 I-Chem 125ml SS Tall Clear Glass Jar certified | 3 | ¥374.00 | ¥374.00 | | ¥374.00 |  |
| 美国URG URG-2000-30x100-3CSS多通道溶蚀器 | 85 | ¥8500.00 | ¥8500.00 | | ¥8500.00 |  |
| 新西兰AEROQUAL S300-ECM一氧化碳检测仪量程0-25ppm 分辨率0.01ppm | 112 | ¥11225.00 | ¥11225.00 | | ¥11225.00 |  |