????1?????????????21??????????(?? ????????? ?????????)“????????????????????????????????50mm/s,??3°??????5°,???2-5N??……”1??21??????,????,?????????,?,???????????????????????????????????????,???

??“????”,???????????????????“?”?????“??”?????????????“?”?????,????“?”“????????”“?????????????”“????????????”“????”??“?????????”????????????????,??????,???????????

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

?????“90????”,??????“???????”10???????“??”,??????????????,???????“B???????”,???????

9???,?,???,??????????????,???????,????????,?????????????,????????????“??”?????????????????,?????????????????????????

??????,??,?????????,?????“????????”??“??”?

“???????????,??????????????,???????,????,????,???????,????????????,????,???”?????????

??????????????????????????????????????,?????10000??????,?????????????????????“???”,??????????“????”?

?????,??????????16???????????,?????????????????????????????134?????????,???465???

???“?0.5???”???

????,?????????????????,??????????250?????????,???????60?????,?????????????100%?(???????????????)

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

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