51吃瓜

?????? ????? ???? ???? ?? ????? ??????? ?? ?????? ??? ??????? ??????? ????? ???????? ?????? ????????? ????? ????? ??? ????????? busbar? ????????? ????? ????? ????? ? ??? ?? ??. ???????? ?????? ???? ???? ???? ??????? ???? ? ?????????? ???? ???? ?????????? ????? ? ????????? ? ????????? ??? ????? ? ?????????? ??????? ???????? ??? ? ??? ????? ????? ????????? ? ??????? ?????? ? ???????????? ???? ?????????? ? ?????? ???. ?? ??????? ?????? ???? ???? ????? ?????? ???????

??????? ?????? ???? ???? ?? ??????? ?? ?? ???????? ??? ??? ???????:

1. ??????? ??????: ??????? ?????? ?? ????? ????? ??????.

2. ????????? ?????? ???? ????? ???????? ?? ? ??? ? ????????? ???? ???.

????? ???????: ????? ??????? ???? ???? ????? ???????? ?????=????????? density x ???? ???? x+????? ????? ????

4. ????? ??????? ????????? ? ?????????? ?????????: ?? ????? ??????? ????????? ?? ???? ????? ???? ????? ????? ??????

5. ??????? ?????? ?????? ???? ???? ?? ?????? ?? ??????? ????? ???? ???? ?? ????????? ?? ??????? ????? ??????.

6. ????? ???? ????: ????? ?? ??????? ????? ? ??????? ???? ????? ????? ?? ????? ????? ???

7. Profit: Considering the long-term development of the enterprise and better serving consumers

??? ???? ??? ?? ????? ????? ?? ????? ???. ???? ??????? ??????? ????? ?? ????? ?? ???? ??? ????? ????:

???? ??? ???? ???? ?????? ??? ????????? ????? ????????? ?????? ? ????????? ????? ??? ???. ???? ??? ????? ?? ????????? ????? ???? ?????? ?? ???? ????????? ????? ????? ??????. ????? ????????? ?????? ???? ????? ?????? ???. ????????? ?? ??????? ???? ???? ???? ?? ????? ????? ???? ? ???? ?? ???? ????? ??????? ????.