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Copper, 铜粉/50g/CAS:7440-50-8'); document.write('¥71
4-Biphenylboronic acid, 4-联苯硼酸/5g/CAS:5122-94-1'); document.write('¥220
BG-C374640(具储存球闪式层析柱/容量500mL/外径46mm/内径40mm/磨口24/40/长457mm)'); document.write('¥169.6
BG-L200020A(移液管/刻度吸管/20mL/出口级)'); document.write('¥20.16