| lab 尼龙圆片过滤膜孔径:0.22(um), 直径:90(mm),(100片/盒) | 2 | ¥254.57 | ¥254.57 | | ¥254.57 |  |
| Cole-Parmer 110 VAC, 50/60 Hz 调节器 | 210 | ¥21010.00 | ¥21010.00 | | ¥21010.00 |  |
| International Enviroguard Coverall White 2XL CS25 2013-2X | 8 | ¥899.90 | ¥899.90 | | ¥899.90 |  |
| TQC 美国标准83.2cc每加仑重量杯皮重,并符合ANSI / NCSL Z540-1或MIL-STD-45662A(如适用)校准认证(符合ISO 9000) | 49 | ¥4990.00 | ¥4990.00 | | ¥4990.00 |  |
| EV320 吸尘器吸系统 | 158 | ¥15890.00 | ¥15890.00 | | ¥15890.00 |  |
| HANNA/哈纳 HI937521-01钙硬度试剂 | 3 | ¥342.00 | ¥342.00 | | ¥342.00 |  |