51吃瓜

????????? ??????? ??????????? ????? ???? ??????????? ??? ?????? ???????, ?????????????? ?????????? ??? ??rm??? ??????????vita?, ??? ????? ????? ???? ??? ??????????? ??? ??????????, ????????????, ??????????, ???????????? ??????, ????? ???????????, ????-?

??? ??????????? ????? ???? ???? ?????????, ????? ?? ?????? ?????????? ??? ????? ??? ??????????? ????, ?????? ????????? ???????????, ??? ??rm??? ???????????????????, ??? ???? ????? ???????????, ??? ???????? ????? ??? ??????????? ???? ??? ???????? ???????, ???? ?? ??????????? ????? ??? ?????? ????? ????????um ??alloy ???? ??? ?????? ??? ??? ???? ?????? ????????? ?? ???????? ????????um ??alloy ?? ???????????.

??????, ??????????? ??alloy ??? ??????????? ????? soft, ??? ?? ???????? ???????? ???? ???? ???????????????? ?????? ??? ????? ????????? ???? ??? ????????????. ??? ??????????????? ???? ???? ???????? ??? ??? ??? ??????. ??? ??? ? ??? ????????um ??alloy ??????????? ??? ???? ????? ??? ??????? ?? ?????? ??????? ??? ????? ?? ??????????? ??? ???? ?? ???? ???? ??????????? ?????. ???????, ??? ???????? ??? ????? ??? ????????? ??? ????????? ????????????. ??? ?????????? ??????? ???? ??? ????? ???????? ????? ????? ??? ??? ??? ?????????? ??? ??? ????????? ???? ???????????, ???? ?????????? ??? ??? ??? ??????? ??? ??? ????? ???? ??? ????????? ??? ???????????, ??? ??????? ?????????? ??? ??? ????????? ??? ????????? ???? ?????????? ??????????. ???? ??? ????? ???? ???? ??? ?????????? ??? ??? ????????? ??? ?? ??? ?? ????????? ????? ??????????? ?????????????? ?? ???? ???? ???? ?????????? ????????, ????? ????????? ?????????? ???? ??? ????? ???? ??????

??? ????? ????????? ???? ?????????, ??? ?????????? ??allo? ???? ???? ???????????, ?????????? ?? ????????? ?? ?????????? ??? ??ip ????????? ??? ??adhering ?? ??? ?????? ??? ??? ?????????, ???? ?? ?????? ??? ?????? ???????? ??????????????? ??? ??? ????????? ?????????? ????? ??? ??? ?????????? ?? 0.8 μ ?? ?? ?? ????????? ?? ?????? ?????????? ??? ??? ?????????, ??? ?????? ?? ?????? ?? ?????????????? ??? ???????? ?????? ??? ?????? ??????????? ??? ?????, ??? ????????? ????????????? ????????um ????? ????????? ?????? ???? ??????? ????? ?????? ?????? Layer, ???

?????? ??? ??? ???????? ???? ?????????? ????? ??? ??? ???? ??????????? ???????? ???? ??????????? ???????????. It is necessary to ensure excellent lubrication, cooling, filtering, and rust prevention. ???????, ??? ????????? ???? ??? ????? ?????? ????? ???? ???? ?????? ??? ????????um ??????? ??? ??????? ??? ?????????? ????????????.

??? ??????????? ????? ???? ???? ??????, ??? ?? ??????? ??????? ??? ????????????? ?????? ??????? ????? ???????????? ??????. ???? ?? ??????? ??????? ??? ???? ????? ??????? ???? ?? ???????? ????? ??? ?? ??????????, ?? ???? ??????? ?????????????? ???????, ??? ??? ????? ?????, ?????? ?????????????, ????? ???? ???? ??? ???????? Therefore, the selection of cutting fluid should take into account both lubricity and cooling function. ????? ???????????? ?????? ???? ????????um ??????? ??? ??? ????????? ?????? ??????????? ??????? ????? ????? ????? ????????????? ?????????????? ??????? ????????.