(?????????)???“B?????”:??????

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

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

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

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

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

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

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

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

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

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