| | Cole-Parmer®无叶扩压90°全锥喷嘴，1/4“NPT（M）入口，0.2至0.7 GPM | 7 | ￥715.00 | ￥715.00 | | ￥715.00 |  |
| | Imada 瓶盖扭力测试仪DTX-85：85LBF帽 | 181 | ￥18150.00 | ￥18150.00 | | ￥18150.00 | |
| | Cole-Parmer K1-7-M02-42-F2-VAC/30#-X34 密封不锈钢真空和复合传感器 | 36 | ￥3630.00 | ￥3630.00 | | ￥3630.00 | |
| | AIRFLOW PH731风量罩 | 293 | ￥29360.00 | ￥29360.00 | | ￥29360.00 | |
