??????è?±???é?¤?°???¨??¨?????¨?????????é????¨?'???¤???????·?????????????è??è???????????é?¤?°????é?¤?°????é?????è?????é??????°????é??é??è???????1???????????'??¤???é???1???????é????¨è??è??è???1????é??è|??????a?o?????¤??·?????????????é???°??????o?¤§?????·???????????????è???o?é??é?????
è?±???é?¤?°???¨?·??????????????¤?????????????????1???·??????
??????1???è?±???é?¤?°???¨é????¨?'???¤???????·?????????????é?¤?°?è?±?????????é?????è??????????°??'?¤??????3?°???????é?¤?°????≥98%????o??°§??????é?¤?°????≥85%??????é???????????é???o|<1?o§???
??????2???è?±???é?¤?°???¨???è?±?°'???è??è???????????????????1???è?±?°'?????????????-???????è?????è?±?°'è????????è?±?°'???è??è?????????????1??????é??é??è??è?±?°'è?????????????????è????°????????a???????2??-?????????¨???é?2?-??o??????|?°'???è?±?°'??????é?????
??????3???é??????°????è???°'???è??è?????è??è??è'1??¨??????????°?è?a???????-???????é?¨???????????aé???¤§???é??é???°??????????????°?é??????°??????????é?????≤900Pa????3????é?????≤1200Pa???
??????4???????§??°????é??é??è??????????°é???§??°????????o????è?????è??è???????±???????±??o???'??????????????o??????è?a??|????????????è??????§?è??????????1???????????1?????°é???¤§?°??????????é????¨?·|??3??????????????o??·è???-??¤??§???1??????è?????é???o???§?????o???
??????5??????????????1????????1????????'??¤é???°????????????????????????'??¤??1??????è??è?????é?????é???o?????§??·?????????????
è?±???é?¤?°???¨??¨è??è??è?????????¤??·?????????a?o????
??????1???????·????è???????????????3?????o???1???è??è??è|??±?è??è????¨é?????????????????????|???????è???¨????è???¤????????????o?-?????°'???????o¤é??????????§??a??¨????????¨è??????-????
??????2?????1???è??è??è|??±?????¤?è??????o§???é?????????§???????????¤????????????????????-?????????-??????????????????????o§??????è§??¨?????????¨è§??¨????????2??????????è§??¨????è??è??è????1????-????
??????3?????1???????oo????????¨???????????1è?-??????????oo????o???¨è???¤?????·?é?????é???¤?é????¨????1???¨è??????o§???????????1è?-????oo?????1è?-???????????????????????????????????¨????????????è????????è????1è?-???
??????4?????????è????????????????¨????????1??¨?-????é??è??é???????2??????è???±????è???¤???????é?????é?????è??è???°'???è??éa????
?????????????°±????°??????o?¤§????????????è?±???é?¤?°???¨????·??????????????¤??????????????????¨è??è???1???????????¤??·????????o?è§?è???o??????1?????????????¤§?????'??????è??è???????¨è??è???¤????