| | 美国PALL A/C型玻璃纤维滤片 1μm,25mm | 3 | ￥305.00 | ￥305.00 | | ￥305.00 |  |
| | Cole-Parmer PMR1-010803 变截面流量计 | 32 | ￥3289.00 | ￥3289.00 | | ￥3289.00 | |
| | Ashcroft CX-8-MB2-42-1IW-XAH 压差传感器 | 18 | ￥1830.00 | ￥1830.00 | | ￥1830.00 | |
| | Spectra/Mesh 145826 屏幕光盘 | 14 | ￥1470.00 | ￥1470.00 | | ￥1470.00 | |
| | Whatman 9907-047 玻璃纤维过滤器 | 8 | ￥870.00 | ￥870.00 | | ￥870.00 | |
