??
??1????????21????(?? ???????? ?)“??50mm/s,?????????3°?5°,?????????2-5N?????????????……”1?21???,???????????,???????,??????????,???????????????,??
?????????“???????????”,?????????“??????????”????????????“??”?????????????????????“?????????????”??????,??????“?????????????”“????”“???????”“?”“????????????????????????”???????“?”????,??,???????????????
????? ????????????????????????????? ????????????“90??”,??“?”10??????????“???”,??,???????????????????“B????”,??????
9?????????????????????????,?????,??,???????????,????,???????????????,???????????????????,????“???????”???????????????????????????????,?????????
?????????,??????,???,???“??”????“??”?
“?????,??????????,?,??????????????????,??,????????????,?,?????????,???”?????????????
????????????????????????????????,?????????????????????????????10000??,??????????“????????????????????????????????”,?????“?????????????????”?
????,????16??,???????134??????,?465??
??????“??????0.5?????????????”????????????????????
??,?,?????????250??????,????60???,??????????????100%?(???????????)
?????????????:????????????
?????(?????????)??????“B???”:??????????????????