| | Kent Elastomer Amber Latex Rubber Tubing 406R 50' Reel Length | 5 | ￥579.90 | ￥579.90 | | ￥579.90 |  |
| | 梅特勒MS403S精密天平 | 190 | ￥19050.00 | ￥19050.00 | | ￥19050.00 | |
| | Cole-Parmer® 4179CP单次™电导率标准液，100,000μS，100毫升小瓶，6/PK | 4 | ￥418.00 | ￥418.00 | | ￥418.00 | |
| | 美国Wildco Kemmerer采样器 | 0 | ￥0.00 | ￥0.00 | | ￥0.00 | |
