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| | 加拿大BW GAXT-S二氧化硫检测仪 | 27 | ￥2700.00 | ￥2700.00 | | ￥2700.00 | |
| | Setra AQM5000 & AQM7000空气质量监测仪 | 0 | ￥0.00 | ￥0.00 | | ￥0.00 | |
| | Thermo Scientific 30705-103030 HYPERSIL APS-2（氨基）柱 - 长度100mm，3.0mm内径，粒径5μm的 | 45 | ￥4570.00 | ￥4570.00 | | ￥4570.00 | |
