| | 大龙 SK330.2.1 18900029 25ml锥形瓶夹具，与空白钉板配套使用 | 0 | ￥53.00 | ￥53.00 | | ￥53.00 |  |
| | 大龙 SK180.2.3 18900031 100ml锥形瓶夹具 | 0 | ￥53.00 | ￥53.00 | | ￥53.00 | |
| | 英国Whatman 50004，Hepa滤纸，50mm直径，3/16IN-1/4IN | 0 | ￥53.00 | ￥53.00 | | ￥53.00 | |
| | 大龙 SK180.2.2 18900030 50ml锥形瓶夹具 | 0 | ￥53.00 | ￥53.00 | | ￥53.00 | |
| | Cole-Parmer 台式模型的pH / ORP控制器110 VAC，50/60赫兹 | 111 | ￥11165.00 | ￥11165.00 | | ￥11165.00 | |
