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BG-C195324(球磨口闪式层析柱/内径26.4mm/壁厚2.8mm/长457mm)'); document.write('¥131.2
BG-C195172(球磨口闪式层析柱/内径13.4mm/壁厚1.8mm/长254mm)'); document.write('¥96
BG-A872440(75°干燥管/磨口24/40)'); document.write('¥36.8