| | GasAlertQuattro QT-XW0M-R-Y-NA 4气体监测/检测器 | 70 | ￥7050.00 | ￥7050.00 | | ￥7050.00 |  |
| | GasAlertQuattro QT-00H0-A-Y-NA 单组分气体监测仪/探测器 | 54 | ￥5450.00 | ￥5450.00 | | ￥5450.00 | |
| | Cole-Parmer 95-0521-02 20厘米x 20厘米过滤器 | 155 | ￥15565.00 | ￥15565.00 | | ￥15565.00 | |
| | Ashcroft 45-1188-AS-04L-20IWV 波纹管压力表 | 39 | ￥3980.00 | ￥3980.00 | | ￥3980.00 | |
