(??????)?????????“B???”:?????

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

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

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

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

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

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

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

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

?????“?????????????0.5???”?????????????

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