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BG-F891950(史莱克管/50mL/磨口19/22/四氟节门/外径30.4mm/有效长度150mm)'); document.write('¥66.4
BT-19910(离心机/湘仪/H1850)'); document.write('¥14560
BG-M350004S(双排管真空气体分配器/实心节门塞/四组/2小咀前球碗后左长450mm)'); document.write('¥880
Trimethylsilyl cyanide, 氰基三甲基硅烷/50mL/CAS:7677-24-9'); document.write('¥529.5