| | Masterflex 77495-00 L / S NEMA 56C型泵头适配器;齿轮比3.7:1适配器; 2220最大电机转速 | 50 | ￥5080.00 | ￥5080.00 | | ￥5080.00 |  |
| | Spirax Sarco B1H-75 3/4" 64161 蒸汽处理配件 | 13 | ￥1345.00 | ￥1345.00 | | ￥1345.00 | |
| | Cole-Parmer 5040 试验筛 | 6 | ￥671.00 | ￥671.00 | | ￥671.00 | |
| | Cole-Parmer 1/4“NPT（F）低配置的过滤器 | 1 | ￥119.90 | ￥119.90 | | ￥119.90 | |
