(???)?????????“B??????”:?????
2025-01-22 00:50:5259439
??1?21????????(???????????????? ?????????????? ?????????????)“????50mm/s,??????3°?5°,?????????2-5N?????……”1??21??????,???????????,??????,????,?????????????????????????????????????,??????
?“?”,?????????“??”?????????????????????????????“????????????”?????????????“???????????????????”???,?“??”“???????????????”“?????????????????”“??”“????”???????“?”?,???????,?????
?????????????????????????? ???????????? ??????????????
??“90???”,??“?????”10?????????“?”,???????,????“B??????????”,???????????????
9??????????,?????????,??,??????????????????????,?????????????,?????,?????????,?????????“????????????”??????????????????,??????????????????????????
???????????????????,???,????,?????“?????????????”???????“??????”?
“??????,???????????,???????????,?????????,?????????????,?,??,????,???”???
??????????,???????????????????????????10000??????,?????????????“????”,???“??”?
???,??16?,??????????134?????,?465?????????
???“???0.5?????????”???
????????????,???????,???????????????250??,????60?????????,???????100%?(????????????)
?????:?????????????????????????