| | Finish Thompson PVDF磁力驱动自吸式离心油泵，110GPM - 72FT，三相，2HP，TEFC电机 | 429 | ￥42940.00 | ￥42940.00 | | ￥42940.00 |  |
| | Cole-Parmer FR5L78PI-CP 变截面流量计 | 44 | ￥4433.00 | ￥4433.00 | | ￥4433.00 | |
| | Whatman ME25/21 混合纤维素酯膜10406871 ME25/21 ST 0.45uM 47MM 1000/PK，尺寸：47MM 孔径0.45um | 46 | ￥4697.00 | ￥4697.00 | | ￥4697.00 | |
