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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
BH-10793(磁铁/方形/边长5cm)'); document.write('¥56
BG-L15148(量杯/玻璃/50mL)'); document.write('¥9.89
BG-A201419(A型接头/上14/20/下19/22)'); document.write('¥20
BG-P20070-L(普通漏斗/直径75mm/加长20cm)'); document.write('¥16
BG-C396025C(具砂板储存球闪式层析柱/容量500mL/外径60mm/内径53mm/磨口24/40/长254mm/G2)'); document.write('¥240