????:1???????:???????

2???????

3???95??

4??????????

5?????????

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