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BG-P140106050(杜氏管/发酵管/外径6mm/长度50mm/40支/包)'); document.write('¥12.8
BG-P132000(层析缸盖子/适单槽缸)'); document.write('¥37.33
4-Dimethylaminopyridine, 4-二甲氨基吡啶(DMAP)/500g/CAS:1122-58-3'); document.write('¥397.5