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

2?????300?4???

3??????????

4?????????

5?95??,?98???????

?????????2??12???? (????????????? ?)????????????2?????????11???17?????????????????30??,??(?????:??????)????????????,???????????????(??????????????????????????:???????)???????YF-75DA??????,???“??????????????”?

??????????????????,?????????????????,????????????????????????????4??????????YF-100?,2????????????YF-75DA???????????

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

?????,?24????????????????,?????????????????????,??????????????????????????????????????????,????????????,???????,??????????????,?????????,?,??,??,????????????

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