?????：????? ?????? ??????? ???? ????? ???? ???? ?????? ?????? ????????.
????? ?????? ??????? ???? ????? ???? ???? ??????? ?????? ????????. ???? ??????? ??????? ?? ???? ???? ?????? ????? ?????? ?? ????? ???????. ??? ?????? ?????? ????? ?? ??????????, ???? ????? ??????? ????? ????, ?? ?????? ????? ?????? ???? ???? ????? ???????? ??????. ?? ????? ???? ??????? ???? ?????.
??? ?????? ????? ???????, ???????? ?????? ?? ??????? ???????? ??????? ????? ????? ?????? ??????? ????? ?????? ??????.
???? ?????? ??????? ????? ????? ?????? ?????, ????? ??????, ??????, ?????? ????, ???? ??????? ?????. ?????, ???? ?????? ??????? ???? ?? ????? ????? ???, ???? ???? ?????? ?? ???, ???? ????? ???, ????? ???? ????? ??? ??????. ??? ????, ???? ????? ???? ???? ????? ?? ?????? ???????, ???? ???? ???? ?? ???? ????? ???? ??????? ???????? ?? ????? ??????, ??????, ?????????? ????, ?? ?? ?????? ??? ?? ???? ??????, ????.
????? ?????? ??????? ??? ????? ??????????? ???? ????? ?????? ????? ????? ???? ?? ???? ??????. ????? ????? ?? ??? ????? ????? ???? ?????? ????? ??????, ?????? ???? ????? ??? ????? ??? ??????. ???? ???, ??? ????? ???????, ????? ?????? ??????? ??? ?????? ??????, ?????? ????? ?????? ????? ???? ??? ?????? ??????, ???? ?????? ???? ??? ???? ??????? ????? ?????.
Through the principle and construction of ????? ???????, we have a preliminary understanding of ????? ???????. Manufacturers also need to have a more detailed understanding of ????? ??????? parameters when purchasing ????? ???????s.
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