| | Dwyer A3015 差压开关 | 27 | ￥2770.00 | ￥2770.00 | | ￥2770.00 |  |
| | Ashcroft 30-2032-SD-15L-30# 数字卫生计 | 64 | ￥6430.00 | ￥6430.00 | | ￥6430.00 | |
| | Dwyer 2000-0AV 差压表 | 8 | ￥890.00 | ￥890.00 | | ￥890.00 | |
| | 杜邦DUPONT JW-6擦拭布 | 2 | ￥202.00 | ￥202.00 | | ￥202.00 | |
| | Thermo Scientific 30203-054030 HYPERSIL（C8）MOS柱 - 长50mm，ID4.0毫米，3μm的颗粒大小 | 44 | ￥4400.00 | ￥4400.00 | | ￥4400.00 | |
