document.write('
'); document.write(''); document.write('
BG-C174200(带夹层分馏柱/磨口24/40/冷凝部分长度200mm/柱子高度330mm/小咀外径10mm)'); document.write('¥64.8
BG-F386040M(上磨口减压层析柱/外径60mm/长度400mm/G3)'); document.write('¥312
BG-A351424(75°蒸馏头/上磨口14/20/下磨口24/40/侧磨口24/40)'); document.write('¥39.2