| | Cole-Parmer C1TH 流量控制阀（手动） | 6 | ￥693.00 | ￥693.00 | | ￥693.00 |  |
| | HF Scientific Pour Through Assembly 19975 | 41 | ￥4199.90 | ￥4199.90 | | ￥4199.90 | |
| | testo不锈钢皮托管1000 mm长0635 2345 | 39 | ￥3996.00 | ￥3996.00 | | ￥3996.00 | |
| | Cole-Parmer 6841 W/9998 筛NIST可溯源校准报告 | 26 | ￥2662.00 | ￥2662.00 | | ￥2662.00 | |
