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???,?????????,???400 mg,???50%????,70%~80%???50%,??????3%~4%?????,????,???,???????,????????(1),??

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?????,???,?570 kg?1200 g,99%?????,??;?1%?,???,??????

?(?63%),?(V???,36%~37%)???,;???,??(???)?,?????????????????,??? ...

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?? 1? ??300??????????????????????????????????? 2?? ???????25???300??????? ?k?????25???500??????????? ??????? 3? ???????500?120?150????500?????? ??7????????????????????????????????? 4? ?80%????????????????? ?????????????????? 5? ????????100?230???????????100???150? ????250???400? 6? ?????????/???????...