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BT-P80001-1(手工冲子/圆冲/直径1mm)'); document.write('¥4.68
BG-C124400(蛇形冷凝器/冷凝管/冷凝部分长400mm,磨口24/40)'); document.write('¥105.6
BT-13906-4(旋转蒸发仪真空密封圈/IKA)'); document.write('¥640
Trimethyl aluminium, 三甲基铝/100mL/CAS:75-24-1'); document.write('¥430