| | Cole-Parmer 630-0406 线程更换提示1/2“（平） | 7 | ￥792.00 | ￥792.00 | | ￥792.00 |  |
| | Cole-Parmer 6662 W/9998 NIST可溯源校准报告 | 26 | ￥2662.00 | ￥2662.00 | | ￥2662.00 | |
| | Ashcroft 25-W-1005-H-02L-600# 机械压力表 | 2 | ￥240.00 | ￥240.00 | | ￥240.00 | |
| | Cole-Parmer Y11-C444B (705 CGA) 高纯度气体调节器 | 127 | ￥12749.00 | ￥12749.00 | | ￥12749.00 | |
