?????????????2????10??????????????????(??????? ??)?????????????????10?????????,???????????????????????????25%?????????????????????
??,??25%??,??????????????
???(AISI)?,?????????????????,??????660?????????(????)
??:???
??:??????????????
?????????????????????
?????????????????????
???«?????»?5???“???”
??????????????10????????
??????????????“???”
???????????????????:???
???????????«????»?6???
???????:??????3???
4?6?22?????????
?????????“????”??????
????“????”????192?
????????????????
????:???????5%????????5.5%…
???????3.0???????9??
??????????????10????????
???????????????????:???
??????????????10????????
????????????:???????
??-???“??”?????????????
?????????????????????
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????????!????1?1000????
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