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BG-C564175(蛇形回流冷凝器/冷凝管/小咀可拆/冷凝部分175mm/总长335mm/磨口24/40)'); document.write('¥177.6
BG-F580005(溶剂储存瓶(Schlenk)/5mL/高真空节门0-4mm/外径19mm/长度80mm)'); document.write('¥107.2