????:1??????:?????150??

2?????mm

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

4??????

5???????

????????????(????????):?????????,???????????????,??,????????

???????????,????,???????????????10??,??????????????????,?????????????

10????????,????????????????,?????????????,????????????,?????,????????????

????????6000??????,??????,????,?????????????

???????????????????????????????????????????,??????????,?????????,????????,???????,???????????

???????,??????6????????????13??????????,?????

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