document.write('
'); document.write(''); document.write('
Pyridine hydrobromide, 吡碇溴化氢盐/500g/CAS:18820-82-1'); document.write('¥530
BG-F386040M(上磨口减压层析柱/外径60mm/长度400mm/G3)'); document.write('¥312
BG-C144500(格式蛇形冷凝器/冷凝管/冷凝部分长500mm,磨口24/40)'); document.write('¥136