| Cole-Parmer RR5773591 025BTV12 12毫米的玻璃体,高精度pH电极,100欧姆铂热电阻(镀锡端),25英尺电缆 | 20 | ¥2002.00 | ¥2002.00 | | ¥2002.00 |  |
| 美国原装Dylos DC1700空气质量PM2.5粉尘检测仪 | 39 | ¥3900.00 | ¥3900.00 | | ¥3900.00 |  |
| Kent Elastomer Amber Latex Rubber Tubing 812 50' Coil Length | 15 | ¥1599.90 | ¥1599.90 | | ¥1599.90 |  |