MHB? ???????? Pb-Ca-Sn-Al ???????? ?????? ???????? ??????, ????? ???????, ????????? ??? ???????? ????? ?????? ???? ?????? ???????????, ????, ??? ????????????? ???? ????????

??????? ?? ?? ?? ?????????, ?????? ????? ????? ??????? ?????? ???????? ????? ??? ???? ????? ??????? ??.? E39-40, ??? ??? ??? ???????? ?????? ??? ???????????? ?????? ??? ????? ???? ???? ??????? ??????? ????? ????????? ??????

???? ?????? ??????:
???? ?????? ????? ????????? ???????????? ???? ????? ???????, ??????????, ????????, ???? ??? ??????? ????? ???? ??????? ??????????? ???????????? ?? ??????????? ?????? ????????? ???? ???????? ??????? ????????????? ???????????? ??? DC ????? ?????? ????? ???????