| | Drager CH25101 气体检测管 | 7 | ￥750.00 | ￥750.00 | | ￥750.00 |  |
| | Drager 6733014 气体检测配件 | 5 | ￥570.00 | ￥570.00 | | ￥570.00 | |
| | Cole-Parmer GR10131SVV-CP 变截面流量计 | 33 | ￥3333.00 | ￥3333.00 | | ￥3333.00 | |
| | Drager 6733051 气体检测管 | 7 | ￥760.00 | ￥760.00 | | ￥760.00 | |
| | Drager CH23501 气体检测管 | 7 | ￥730.00 | ￥730.00 | | ￥730.00 | |
| | Cole-Parmer FR5L86SI-CP 变面积式流量计 | 121 | ￥12111.00 | ￥12111.00 | | ￥12111.00 | |
