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

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

??????????????? ??????? ??

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

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

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

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

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

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

??????“????????????0.5????????????”????

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

??????????????????????????:?????

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