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BG-C254400(球型冷凝器/冷凝管/冷凝部分长400mm,磨口24/40)'); document.write('¥85.6
BG-S311740(T型连接管/玻璃三通节门/外径10mm/孔径4mm)'); document.write('¥122.4
1,8-Diazabicyclo[5.4.0]undec-7-ene, 1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)/500g/CAS:6674-22-2'); document.write('¥511.5
BG-S280038(空心玻璃塞/玻璃空心塞/#38)'); document.write('¥40.8