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????? ????? ???????? ???????? ?????? ??????? ????: ????? ?? ?????? ???? (7)? ?????? ??????? ??????? ?????? ?? ?????? ?????? (??????)? ??????. ??? ?? ??????? ??????? ??? ????? ?? ???? ?????? ?????? ?? ????? ?????? ????????? ??????? ?????????. ???? ??????? ????????? 190 ????? ??????. ?? ?????? ???? ???? ?????? ?? ??? PVDF? ????? ?????? ?? ???? Q235. ?? ????? ???? ????? ??? ???? ?????? ??? ??????? ??? ???? ????? ???? ??????? ?????? ???????? ????? ???? ??????? ????????.

?? ?????? ??????? ???????????? ????? ???? Yuehong (Yuehong) ????????? ??????? ???????? ????? ???? ????? ???????? ????????? ??? ???? ?????? ?? ?????? ???????? ?? ???? ?????. ???? ?? ??????? ?? ???? ????????? (????? ?????????)? ??? ????? ??? ?????? ?? ?????? ???????? ??? ????? ???? ?????? ?????? ???? ??????? ????? ???? ???? ?? ????? ????? ?????????.