???????????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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