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BT-13906-1(旋转蒸发仪真空密封圈/步奇/R210/R215)'); document.write('¥640
BG-A809030(连接头/磨口19/22/磨口间长30mm)'); document.write('¥19.2
BG-C509300(直型冷凝器/冷凝管/小咀可拆/冷凝部分长300mm,磨口19/22)'); document.write('¥82.4
BG-F384020C(上磨口减压层析柱/外径40mm/长度200mm/G2)'); document.write('¥192.8