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BG-F899100G(史莱克管/100mL/磨口19/22/玻璃节门/外径40.3mm/有效长度167mm)'); document.write('¥72.8
BG-S161530(T型连接管/四氟三通节门/外径8mm/孔径2mm)'); document.write('¥93.6