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