| | Cole-Parmer®压缩空气喷嘴，聚醋酸酯，扁平喷嘴 | 6 | ￥605.00 | ￥605.00 | | ￥605.00 |  |
| | 华瑞ToxiRAEII H2S硫化氢检测仪便携式气体检测PGM-1120 | 38 | ￥3850.00 | ￥3850.00 | | ￥3850.00 | |
| | Cole-Parmer PD6000-6R3-CP 流程表 | 40 | ￥4004.00 | ￥4004.00 | | ￥4004.00 | |
| | Masterflex 07552-76 更换控制器Masterflex L / S系统，230V | 115 | ￥11580.00 | ￥11580.00 | | ￥11580.00 | |
