QYK-XJ-132 6 ???? ?????? ???? ???
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| ????? | ???? ???? ?????? ?? ?????? ???? ??? ??? GB27898-2011 ?? GB-50972-2014 ???- ???? ??? ?????? ???????? ???????? ???? ???,???? ???,????? ???????-????? ?? ????-???? ???? ??? ????, ???? ??? ?? ???? ?? ??? ??? ????? ???? ???? ????? ?????? ????, ????? ?????, ?????? ?? ??????; ??? ?????? ????? ????? ???? ??????? ????????, ????? ???? ????, ???? ????, ????? ??? ?? ????? ????, ???? ??? ?? ??? ???, ??????, ??? ?? ???? ?????????? ????? ??? ?????, ??? ???? ???? ?? ????????? ??????? ??, ?????????-?? ???? ??? ???? ????? ??? ???? ??? ?? ???? ??? ???? RS485 ???? ????? ?????, ?? ???????? ?? ??? ???? ????; ????? ???? ?? ????? ???? ?? ????? ???? ???? ????? ??? ? ?? 20,000 ????? ?????? ????? ???? ?????? ??? ???? ??? ??-??? ????? ??? ?? ???? ? ??? ??? ?? ???? ???? ??? ???? ??????? ???? ????? ???? ??? ?????? ???? ??? ?????? ????? ?????? ????? ???... ???? ?????? ???? ????? ????? ?? ???? ???? ??? ??? ???? ??? ???? ????? ???? ????? ???? ????? ????????? ???? ????????? ???. |