| | Cole-Parmer 4137CP RS-232输出的双通道温度计 | 20 | ￥2079.00 | ￥2079.00 | | ￥2079.00 |  |
| | ITW-Chemtronics Flux Off Heavy Duty CS12 ES1631 | 91 | ￥9199.90 | ￥9199.90 | | ￥9199.90 | |
| | EP Scientific 139-20A/CT-MIA EP 20ml 琥珀色样品瓶，密封盖，已包装，已认证 EP 20ml Amber vial with closed top premium pack certified | 13 | ￥1309.00 | ￥1309.00 | | ￥1309.00 | |
