????:1???????????:?????150

2???????

3?????500???

4?????????

5???p?????

??,??????????????????,??1.3????????,???????????,???????????????????PH????????????????????,???????????,???,??????????3?????,??????????130???????,??????????

????,??????,??????????200?????????????,????17??,?3???????????

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

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