| | Cole-Parmer VPB4-VA-V04-04-ST 变截面流量计 | 44 | ￥4455.00 | ￥4455.00 | | ￥4455.00 |  |
| | Druck DPI 610LP 20INH2O 便携式压力校验仪 | 651 | ￥65120.00 | ￥65120.00 | | ￥65120.00 | |
| | Cole-Parmer PMR1-010620 浮子流量计 | 21 | ￥2145.00 | ￥2145.00 | | ￥2145.00 | |
| | 德国lovibond罗威邦BOD专用吸收剂ET2418634 45% KOH吸收剂 | 1 | ￥160.00 | ￥160.00 | | ￥160.00 | |
