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| Cole-Parmer MS-VLP-M21-01-ST-N 变面积式流量计 | 120 | ¥12001.00 | ¥12001.00 | | ¥12001.00 | |
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| Cole-Parmer M2T4 流量控制阀(手动) | 18 | ¥1881.00 | ¥1881.00 | | ¥1881.00 | |