51吃瓜

??? ??? ? ????????????? ??? ????????????????????????????????? ??? ?? ???????????? ???? ?????? ?? ????????? ??? ????-??????? ??? ?????? ?? ????? ??????? ???? ????, ???? ????????? ??????????????????????? ???? ??????????? ??? ??????????? ?????????????? ?? ????????????? ???????? ????? ?? ????????? ????????, ????? ????????, ??????????? ???????????, ????? ????????? ????, ???? ?????????????????????, ??? ????? ????? ??????. ?????????? ?????? ??? ????? ???? pump ???? ??? ???????? ????????? ?? gear pumps, ????? ??? ?? compact ???????? ??? ????? ???????. ??? ??? ? ????????????? ?? ?? ????????????? ??? ????????????? ?????????? ?????????? ??? ???? ????????: ??? функция ???? ??? ???? ???????? ??? ?? ???????????? ?? ??????? ???? ?? ?????????? ????? ?? ?? ?????????? ????? ??? ??? ???????? ???? ????????? ??? ????? ??????? ??? ??? ?????: ????????? ??? ????????????? ??? ?????????? ???????? ????? ??????? ??? ????????? ??????? ??? ????????? ??????? ??? ??? ????? ?? ??? ?????????? ????????. ?? ???????????? ???? ???????????? ??? ????????? ??????????????????????? ???? ?????? ???. ??? ?????????, ?? ????? ???? ? ????? ???? ??? ????????? ???? ??? ?????????????, solarn? ???????, LCD ??? ??. With the development of processing technology, automotive oil pumps - cycloidal rotor pumps - have been applied to sewing machines, especially for some models with fully enclosed automatic lubrication systems, such as overlock sewing machines and overlock sewing machines. ??? ????????????????? ???? ???????????? ??? ????? ?????, ??? ??? ???? ?????? ?? ????????? ???? ??? ??? ???????? ??? ????. ?? ???? ???? ??? ??? ????? ??? ???? relatively ?????. ????, ??? ???? ??? ????????? ??? ?????? ??? ??? ? ????????????? ?? ?? ????????????? ??? ????????????? ??? ?????????? ??????????????? ???? ??????????? ??? ????? ?????. ????, ???? ???? ????? ??? ??????, ??? ??????????? ????? ????? ???????????, ??? ??? ?????????????????????? ????? ??? ?'??? ??????? ?? ????????? ?? ?????? ?????? ???? ????????? ??? ??? ????????????. ??, ??? ???????? ??? Xianji.com ???? introduces common errors of oil pumps: 1. Inflation. ?? ???? ??? ??? ????pump ???? ????? ??? ????? ????????? ??? ???????? ???????????? ???? ??? ?????? ???????. After inflating the engine oil, its lubrication performance decreases, which can cause malfunctions. ???? ??????????? ???? ???? ?????? ???? ???? ??????????? ??? ??? ???? ??????????? ????? ??????? ????? ????. 2. Casting fracture. ??? ???????? ???? ?????????????? ??? ????? ????? ???????? ????????????? ???? ????. ??????????????????????? ???? ?????? ?? ???????????????????? ??????? ??? ????????????? ?????????????????????????????????????????????? 3. ?? ????????????? ?????? ??? ????. ?????????? ??? ???????????????? (???????????????? ????? ?????? ??? ???? ???? ????, ???????? ??? ????????, ????? ????? ??? ???? lifters, ??? ????? ????? ?????? ?????????? ???????? ??? ??????????) ???? ??????? ??? ?????????? ??? ?? ???? ??????? ?????????? ?????? ?? ????? ????? ?????????, ??? ??? pump ?????? ???. ??? ??? ?????, ??? ????межуточный ???? ??? ????? ??? ?????????. 4. ??? ??????????????????? ???????? ??? ???????????. ??? ????????????? ???? ??????????????????????????????? ???? ?????????? ??? ????? ?????. ??? ???????????????? ??????? ??? ??????, ??? ???? ?? ??????????????????? ???? ?????? ???????????. ??? ???? ??????????????????? ????????? ??? ???????? ??? ??? ???????? ?????????, ?? ??? ???? ????? ??? ????-??????? ???. ??? ???? ?????????????????? ?????? ??? ??????? ??? ????????? ??? ??? ????????????????????, ??? ?? ????????? ???? ???? ??????? ??? ????????? ???????????, ??? ??? ??????? ??????????? ???? ???? ??? V-6 ??????? ??? ?? ?????? ??????? ??????? ??? ??? ????????? ?????????. ??? ??? ??? ??? ?????? ????? ?????, ???? ????? ????????um ?????????? ???? ??? ????????????? ?? ??????? ????? ???????, ??? ????? ??? ???? ?? ??? ?????? ???? ???? ???????? 5. ???? ????? impeller ?????. ??????????? ???????? (????, ???????? ?????, ??????????? ??????????, ??? ????? ??????????) ????? ???????? ??? ????????? ????? ?????. 6. ?? ????????? ??????? ??? ?? ????. ?? ???? ??? ??????????????????????? ??? ????? ?? ?? ??? ????????????????.