??????
TJ??2???????????????????????е??????????????????????У?????????????????????????е???????е????·??е???????е??????е???????????е????е???????????????·????????????????????????????????κ????????????α???????豸??????????????????????????????????????????????????????????????????????????????????????о?????????????????????????й???????????????????????鶯?????????
???? ???
1????????????????????????
2???????????????????????
3?????????????????????K??????
4??????????????????????????
5????????????鼼?????
6?????????????????????
7?????????????????
8?????????????????
???????????
??1?????????? G??5km ????????20??
??2????????? ???1600kmcm2 ?????????
??3??????????????????? ???3??
??4???????1Cr13??2Cr13?????
??5??????????? L??B??h??345??45.9??3.5mm
??6???????????? l??B??h??300??45.9??3.5mm
l?????????????????е????
B??????д?????
??7??????????Ч???? l1=240mm
??8????Ч????ε?б?? tg??=0.0765
