| | 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 | |
| | Dickson PW474 压力记录仪，0到200 PSI | 44 | ￥4490.00 | ￥4490.00 | | ￥4490.00 | |
| | Cole-Parmer 2779800-010T 可拆卸双结ORP电极，镀锡两端 | 21 | ￥2123.00 | ￥2123.00 | | ￥2123.00 | |
| | 英国Whatman空气滤纸PM2.5滤纸PM10纤维滤纸8×10in18518531QMA 8x10IN 1/PK | 0 | ￥0.00 | ￥0.00 | | ￥0.00 | |
