| | Cole-Parmer 6343 W/9998 筛与NIST可溯源校准报告 | 21 | ￥2145.00 | ￥2145.00 | | ￥2145.00 |  |
| | ITW-Chemtronics Wipe Poly/cell Cr 4x4in Pk1200 6704 | 46 | ￥4699.90 | ￥4699.90 | | ￥4699.90 | |
| | Ashcroft A2-Z-A-M02-42-F2-5#-G 重型工业压力变送器 | 39 | ￥3980.00 | ￥3980.00 | | ￥3980.00 | |
| | Cole-Parmer GR10850SVV-CP 变面积式流量计 | 47 | ￥4785.00 | ￥4785.00 | | ￥4785.00 | |
