(???)??????“B?????”:?????????

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

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

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

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

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

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

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

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

??“?????????0.5????????”?????

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