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BG-S311740(T型连接管/玻璃三通节门/外径10mm/孔径4mm)
'); document.write('¥122.4

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BG-A451420(温度计接头/温度计套管/7mm内径橡胶套管/磨口14/20)
'); document.write('¥13.6

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Oxalyl dihydrazide, 乙二酸二酰肼/100g/CAS:996-98-5
'); document.write('¥590

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