| | Cole-Parmer® 5779878-025B 双结ORP电极，铂传感器，25英尺电缆 | 17 | ￥1738.00 | ￥1738.00 | | ￥1738.00 |  |
| | Cole-Parmer PCR-100PSIA-D 真空控制器 | 178 | ￥17897.00 | ￥17897.00 | | ￥17897.00 | |
| | I-Chem Jar WM/AMB W/TF Clo 32OZ CS12 141-0950 | 7 | ￥799.90 | ￥799.90 | | ￥799.90 | |
| | 哈纳HI96707亚硝酸盐氮测定仪 | 28 | ￥2848.00 | ￥2848.00 | | ￥2848.00 | |
