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(?) ?? ?????? ?????????? ????? ????, ?? ??????? ?????? ?????????? ????? ?????? ??? ????, ????? ????? ????? ??? ????, ?????? ?????? ???????? ?????? ???????????? ???? ????? ??? ??? ????????? ???.
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??????? ?????
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??? ??? ?? | ?????????????? | ?????? | GB5492-85 ???? ????? ????? ???, ????? ????????? ?????? ????. |
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?????? ???? | ?? | ???% | ????????-?? |
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?????? ?????? | ≤?.?% | ?.??% | GB5009.4 ????? |
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???? ?? ???? | ≤?? ?????? | ???? | |
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