???,??,??,?????

?10Ч??
?????????嶼Щ????Щ????ο???????????????

?У????Ч?;

?У??????????23?裬???кз??A??????A?A??????????費?Σ????裬???????幦?,塢??п?

У?????????γ?0.001mm?Ч????;ε?ú??????????70?

У???????Σ????γ???η?????????????????С????С?Ч???

:?????????????????????????12

:??λú???泯???????棬???淴?????50?75???????

: ??磺?...

?? ?????顢???С???????????????????????ɡ
?????β???????????罨飬??????

ν????桢???ж??????B12к????????????????и????к??????????Ч????С庬???Ч ??д?B1B2?Eп????θ?棬??C?????????????У???60??6?15???????к??Ч

????С????????á?????????Щ桢??????????ζ?

???!
1.???????????????????????~??·?????,?pp?
2.а???????(С??)???????...

?????
?Щ???棬轡

??????
???

?????飬??????з??Ρ??м????н??Ч
1.?1?1?15?
÷?гС飻????гС飻?鳴?????????顣??1Σ?
Ч????????Ч
2.?30??30?
÷桢???2??У?С?????2ηá
Ч?Σ
?????
?????????,???????????,???,?????????1.?????r 2.???????r.??????r4.???????r 5.??12???r6.???????
п??????????!
?????棬????????????????ú???
?????????÷???
??к???BC??????????????棬ú??????...

????.?,?,?????,,,,?,??,????.?,?????.
?????? HOHo~~~??