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BT-12904-M20-6(铜变径/真空压力表接头/M20*1.5-6)'); document.write('¥23.46
BG-F604060F(砂板布氏漏斗/60mL/外径40mm/G4)'); document.write('¥40.8
BG-ZMP501514G2(多肽反应管/有效长度50mm/直径15mm/磨口14/20/砂板G2)'); document.write('¥100