????(???)????

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

???????????????(????????)????

???????(????)

???????6???????5????(???????????? ????????)??????????????????(???)????????????????409??6???4?,??(???)ZSGDSG-2?????????????

???????409-5??,????????????????(?)ZSGDSG-2????????,???(??)????????????????????,??80?????,???????????????1.25??????,???GF400????????

????????????????????????,??????????????“???”???????,??????????????????,???,????,????,?????????????

???(???????????)ZSGDSG-2?:“?????,???(???)?????”(?) ????????:????????