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a(chn)أ Ԯa(chn)
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Ҏ(gu) 200Kg/FͰ
r 32Ԫ/Kg
a(chn)ƷB -ͪ/-Pyrrolidone WQ-ͪ CTFAQ-Pyrrolidone CAS No616-45-5 ʽ C4H7NO a(chn)Ʒ -ͪoɫ΢Sɫ΃Һw΢ζһNOЙC܄cˮһЙC܄ a(chn)Ʒ ܄ϳɘ֬xԪӡīˮͿ ЙCϳԭϣϩͪwSXͿ
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