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?? ????? ???? ??????? ????????? ?? ????? ???? ?????? ??????? PVDF ?????? ???? ???????? ??????. ?? ?????? ???????? ????? ?????? ?????? ???????? (PVDF) ????????? ????? ???? ?????? ??? ????? ?????? ?????????? ?? ??????? ?????? ??????. ???? ????? ?????? ??????? ???? ???? ?? ?????? ??? ????? ??????? ??????? ?????? ???????? ???????? ???? ????? ?????? ???? Zhuhai Bangmo Technology Co., Ltd. ?? ????? ?????? ????? ?????? ????? ??????? ????? ?????? ???? PVDF ???????? ???????. ??? ?????? ?? ???? ???? ?????? ?????? ???????? ??? ???? ??????? ????????? ????? ?????? ????? ?????? ????????? ??? ?? ??? ??????? ???????? ?????????? ??????? ?????? ???????? ???? ?????? ??????? PVDF ????? ??? ?? ?????? ?????? ?????? ????? ?????? ?? ???? ????? ???? ?????? ??????. ??? ????? ??????? ?????? ?? ???????? ??????????? ???????? ??????? ?????? ??????? ??????. ?? ?? ???? Zhuhai Bangmo Technology Co., Ltd. ?????? ??? ???? ?????? ???? ???????? ?????? ?????? ?????? ??