?????? ?????? ??????? ?????????????? ??????????, ???? ??????? ???????????? ?????? ??????????? ??????? ?????????????? ????? ??? ??? ???? (?????????????? ?????? ??????? ??? ???????? ??????? ????????) here???? ???? "?????????" ???????? ???????:

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?????? ????? ?????????? ????????, ??????? ?????????????? ??????????? ?????? 50 ??? ???? ????????

??????? ?????????????? ???????? ?????? ??????? ???? ???? ??? ??????? ????, ???? ???? ????????????? ???? ???????? ?????????? ?????? ???? ?? ow ????, ?????????? ??? ????? ?????????? ??????? ?????????????? ??????? ???? ?? ??????????? ??????? ???, ??? ???????? ????????? ??????? ????? ?? ??? , ????? ?????? 150 ???????? 0.02 ???? ???????? ??? ??????????????? ??? ????? ???? ???? fore ????, ??????? ?????????????? ??????? ?????????????????? ???? ??????? ??? ????? ?????????? ?????? ????? ??? ??? better

????????????????? ?????????????? ???????? ?? ?????????????????? ???? ?? ???

???? ??????? ???????? ?'? ?? ???? ?????????????? ?????????? ?? ???? 5 ????? ??????? ??????? ???? ??????? (????, ???? 5 ????? ?????) al ?????????????? ???????? ??????? ?? ?????? ???? ??????? ??????? ???????? ???? ??? ????????????? ???????.

??????? ??????? ??????? ?????????? ????? 100 ????? ??????? ?? ??????? ???? ??????? y ????? ??? ??????? ??? ???????? ??? ?????? ????????? ???? ??? ????? ??????? ???????? require ??? 13 ??????? ?????? ??????? ???? ???, ????? ????????? ???? ?????? ???? ?????????? ??????? ??? ???? ??? ??? ??? ??????? ??? ???? ????????? ?????????? ???? ??? ??? co

?????? ??? ?????????????? ??????????

WEIHUA - ??????? ???? ???????? ?????? ???? ??????? ???? ??????? ??????? ?????????? ??? ??????? ??? close ???? ???????? ??????? ?????????? ???????? ???? ????????????? ?????? ??????? ??????? ?????? ???? ????????, ???? ?????????? ??? ???????? ???????, ???????, ?????, ??????? ??? ?????? ??????? ?????? ???? ???? of ??????? ????????, ??? ??? ??? ????????? ????????? ????????????? ???????

1. ????, ???-?????, ????? ??? ????

2. ??????? ??? 0.012 ????? ???????

?. ????-???????? ??????? 0.002 ????? ?????? ??

4. ???? + +- 0.001 ????? ????????

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

6. ??????? ?????? ??????: 1000 ?????

7. 1100, 3003, 6063, 6463 ??? 6061 ??? ?????? ?????

?????????????? ?????????? ??????????

?????????????? ?????????? ???????? ???? ?? ??? ?? ??? ???????? ????????? ???? ???????????? ????????? ???? ?????? ???? ????? ???????-?????????? ?????????????? ?????????? ??????? ????? ?????? ??????????? ??? ?????????????? ????? ??????? ?????????? ?????? ?? ??????? ???? ???? ?????????? ???????????? ???????? ?????? ???? ??? ????????? The ?? ?????????? ?????? ??? ??? ????????????? ????? ????????? ??? it ??? ??? ????, ????????????, ?????? ?? ?????, ???? ?????? ???? ??? ????? ???????, WEIHUA (?????????????? ?????????? ??????) ?????????????? ?????????? ??????? ????????? ??????? ????? ??? ?????????? ????? ??????????? ??????? ?????? ??????