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

2????????????

3???????????

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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