| | Ashcroft 5-1009-SWL-02L-3000# 机械压力表 | 8 | ￥850.00 | ￥850.00 | | ￥850.00 |  |
| | Troemner 8422W 3kg 校准砝码 | 32 | ￥3240.00 | ￥3240.00 | | ￥3240.00 | |
| | Hyvac Products Vacuum Pump Drctdrv 30L/M 115V 90700-001 | 126 | ￥12624.10 | ￥12624.10 | | ￥12624.10 | |
| | Cole-Parmer FR5A54PV-CP 变截面流量计 | 31 | ￥3168.00 | ￥3168.00 | | ￥3168.00 | |
