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DZ-BG-石英坩埚3(锥底带细长尖端/全长29.5cm/外径3.7cm)
'); document.write('¥260

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1,3-Dimethylurea, 1,3-二甲基脲/100g/CAS:96-31-1
'); document.write('¥70

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2,5-Dimethoxytetrahydrofuran, 2,5-二甲氧基四氢呋喃/500g/CAS:696-59-3
'); document.write('¥533.5

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BF-10104-1621AF(防护镜/防飞溅/防雾/3M-1621AF)
'); document.write('¥38.4

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