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BG-C569100(蛇形回流冷凝器/冷凝管/小咀可拆/冷凝部分100mm/总长210mm/磨口19/22)'); document.write('¥142.4
Togni Reagent II(CAS:887144-94-7/1g)'); document.write('¥230
BH-10760(普通烧瓶夹)'); document.write('¥11.2