?? (???)?????“B?????????”:??????
????:1?92939598?????:???????????
2???????
3???95??
4???????????
5???????
??1??????????21????????(?? ???? ??????????)“?????????????????????????????50mm/s,?3°???????5°,??2-5N??????????????……”1???????????21?,?????????????,?????????????,?????????,??????????,?????????????????????????
??????????“?????????”,?????????“????????”??????“?”??????????“??”??,???“??”“??????”“??????????”“?????”“???????????”???“?”?,??,???????????????
??? ??????????? ??????????????“90??????”,????????????“??????”10?“??????????????”,????,????“B????????????”,?????
9????,?,???,???????????????????,????????????????????????,??,??????????????????,????????????????????????????????“????”?????,??????????????????????????
???,???????,???,??“??”???????“??????????”?
“?????,?????,???????,??????????,??,???????????????,?,????,??????????????????????????”???
???????????,?????????????10000????????????,?????????“???????”,??“???????????????????”?
???????,????????????16???????,?????????????134?????????,???????465?????
??“???????????????????0.5???”???????
?????????????,????????????????,?????????250?????????,?60???????????????,?????100%?(????????????)
???:???