| | Dwyer 477压差计 | 20 | ￥2000.00 | ￥2000.00 | | ￥2000.00 |  |
| | Micropump® L24158 齿轮泵，毫升/转，PPS，PTFE，0 - 5 VDC速度控制 | 108 | ￥10820.00 | ￥10820.00 | | ￥10820.00 | |
| | Cole-Parmer 组合离子选择性电极，铜（铜+2）,CN-27504-10 | 29 | ￥2992.00 | ￥2992.00 | | ￥2992.00 | |
| | Cole-Parmer P01/6-NO42-07ST 浮子流量计 | 20 | ￥2002.00 | ￥2002.00 | | ￥2002.00 | |
