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????? ???????? ????? ???????? (EHEC) ?? ???? ????? ?? ????????? ????? ????????? ???????? ?? ????? ????????. ????? ???? Zhejiang Haishen New Materials Co., Ltd. ??? ?????? ???? ?????? ?? EHEC ????? ?????? ????????? ?? ??????? ???????? ?????? ???????? ??? ????? ?????? ??????? ??????? ??????? ??????? ???????? ???????. ?????? ??? ???????? ??? ??????? ?????? ??????? ?? ????? ???? ?????? ?????????? ??? ???? ??????? ?????? ????. ???? ????? ???????? ??? ????? ???????? ?????? ?????? ?????????? ?????? ??? ?????? ???????? ???????? ????? ?????. ?? ??????? ??????? ???????? ?????? EHEC ?? ????? ???? ???? ?????? ????? ?? ???? ???????? ?????? ?? ?????? ??????? ?????? ?? ???????. ????? ???? Zhejiang Haishen New Materials Co., Ltd. ?????? ?????? ????? ?????? ?????? ?????? ????? ?????????? ????????? ?????? ????????. ?? ??????? ??? ???????? ??????????? ??? ?????? ??? ???? ????????? ???? ??????? ??????? ????? ????? ???????? ????? ???????? ???????? ????????