| | MACNAUGHT ACK2 LUBRICATION AVIATION ACCESORY KIT | 196 | ￥19616.16 | ￥19616.16 | | ￥19616.16 |  |
| | Cole-Parmer E12-215D (CGA 350) 通用燃气稳压器 | 48 | ￥4862.00 | ￥4862.00 | | ￥4862.00 | |
| | Cole-Parmer E11-244A (CGA 590) 分析气体调节器 | 39 | ￥3938.00 | ￥3938.00 | | ￥3938.00 | |
| | Masterflex® 07540-20 L / S ®定速驱动器，20转，115 VAC | 26 | ￥2670.00 | ￥2670.00 | | ￥2670.00 | |
