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Diphenylphosphoryl azide, 叠氮磷酸二苯酯/5g/CAS:26386-88-9'); document.write('¥90
DZ-BST-四氟硅胶垫-赛诺(直径9mm/厚1.1-1.2mm/1000枚)'); document.write('¥800
BG-F621960JT(夹套冷却恒压滴液漏斗/60mL/磨口19/22)'); document.write('¥400