(??????)?????“B?????????”:???

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

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

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

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

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

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

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

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

?????“????????????0.5?????”???

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