| | Cole-Parmer VIS3-VA-V01-03-ST 变面积式流量计 | 56 | ￥5643.00 | ￥5643.00 | | ￥5643.00 |  |
| | Cole-Parmer V24/E 变面积式流量计 | 65 | ￥6589.00 | ￥6589.00 | | ￥6589.00 | |
| | 华瑞RAEAlert EC有毒气体检测仪,产品型号：FGM-3300,多型号可选 | 77 | ￥7700.00 | ￥7700.00 | | ￥7700.00 | |
| | Cole-Parmer VIS4-VA-V03-05-ST 变面积式流量计 | 65 | ￥6589.00 | ￥6589.00 | | ￥6589.00 | |
