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

2??????????

3??????????

4?????VX

5????????

??1??7???????? (????????????? ?)?????????????????????????????????????????????“??????????????????????”6?????,?????????????94??????,?????????????929.02??????????????

????,??????????,????2200??????????????????380???250???????????500????????????PTA????????????

6??,????,??????????????????(???????????)??????(?????????????)???????????,??

??,??114??,???3252?????,?500?????????????13?????????,??53????,???????????500????????????????????????????90%???2200???/?????380???/??,?????????????,?????????????????????????????????????????????????????????????????????????????

???????????(????),?????????????10???,?????,??????????????????,???????????????????????????????????????????

????????????????????,????????????????????????????,??,???380???????????/???????,??????????

6????,??,???????????,???????????????????????????6?????,????????????(?????)????(??) ??:???