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BG-C334400(具夹层蛇形冷凝器/冷凝管/冷凝部分长400mm/磨口24/40)'); document.write('¥300.8
BG-P1406015(螺口试管/高硼硅/含盖垫/圆底/15mL)'); document.write('¥3.96
BH-382545(有机系微孔滤膜/尼龙滤膜/直径25mm/孔径0.45μm/100片)'); document.write('¥96