(??????)?????????“B???”:?????
????:2025-01-22 00:44:55 ??:????
????:??24?????600??:??????
?1??????21???(???????????????????????? ????????? ?)“??????????50mm/s,??3°??????????5°,???????????????????2-5N???????????????????……”1??21???????????,??????????????,??,??,?????????????????????????????,???????
???????“???????”,???????“???”????“??”?????????“??”??????,????????????????????????????????“????”“??”“?????????????”“????”“?????”????????“?????????”????,???,???
?????? ????? ?????????????????????????????
????????????“90?????????????????”,??“?????????????????????????”10???????“????????”,??,????????????“B?????”,????
9???????,????????,????,????,?????,???????????,????????????????????????,?“????????????????????????”?????????????????,?????????????
???????,??????,?,?“?????????”????“??????????”?
“??????,??????,???????,??????????????????,?????????,????????????,??,??????????????,?????”????
?????????????????????,?????????????????????10000??,??????????“?”,??????????????“?”?
?,??16?,?????????134????????????,?465??
??????“?????????????????????????0.5??????????”???
????????????,????,?250???,??60??????????,???????????100%?(??)
?????????:?????????
