ZGZH-63(TY)
???? ????
???? ??? ?????? ??? ????? ???? ?????? ?????? ??????? ?? ???? ?????? ?? ???? ????? ????? ????? ????? ????? ???? ?????? ??????? ??????? ???? ????????? ??? ????????????? ????? ????? ?????. ??? ?????? ???? ????? ????? ?????? ????? ?????? ????? ??????? ??????????? ??????????? ???? 24 ???? ???? ?????? ????? ??? ?? ?????? 5 ?????? ????? ??? ?????? ????? ??????? ????? ???????? ?????? ????? ???????? ?? ???? ?????? ?? ????? ????? ?????? ????????? ?????? ?????? ?? ??????? ??????? ??? ???????. ??? ????? ???? ??????? ???????? ?? ???? ???????.
?????? ???????
GB 18802.1-2002; GB/T18802.21-2004
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