| A&D GF天平410g x 0.001g | 172 | ¥17250.00 | ¥17250.00 | | ¥17250.00 |  |
| International Enviroguard Frock Bodyfilter Iw Xl Cs50 CE4046CI-XL | 19 | ¥1999.90 | ¥1999.90 | | ¥1999.90 |  |
| Cole-Parmer EW-39670-12紧凑型红外传感器,K型,最适宜的温度范围212-932°F的扩展温度范围; 86-9322°F | 27 | ¥2717.00 | ¥2717.00 | | ¥2717.00 |  |