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BG-C195261(球磨口闪式层析柱/内径20.4mm/壁厚2.8mm/长203mm)'); document.write('¥98.4
BG-D251019(垂刺微量蒸馏器/主磨口19/22)'); document.write('¥178.4
BG-A682942(三通接头/2mmT型四氟节门/磨口29/42)'); document.write('¥140