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

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

6?????14????????,?????????????????????

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

??200?????????????????(??),????????????????3??????????“??????????????????,????????????”,???????????,???????,????,???????

??????,?13%????????????????50??,?????4000????,???200-400???????????,????????5%-10%?

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

??,???????????,1-2?????????????????;??1-2????????;????????7-10???????????????????????????

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

????????«?????????????GB18467-2011»?,????????6?????????????,????????????2?????????24???????????????????????????????????????,?????????,???24???????????????

??,????????????,???????????????????????????????????????????????????????10???????????????,????????????????? ???????:???????????