1???????????????,???????????????;

2????????????Y????,Y??????????????;

3?????????????,????6-8??;

4?PPR????????,???????????,???????;

5?PPR????????????????,???????????,??????????,????,???????????????;

6??????,???????????,?????????????;

7????????????????????????? 

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

1???????????????,?????????;

2.???????????????????,??15????????,????6-7????,?????100?????,????????120?;

3??????????,??????????????????;

4???????????????????? 

?????????:

1???????,?????????????????????;

2???????,??????,??????????;

3?????,????????,???????????,?????????????,??????;

4??????????;

5??????,?????????????????????????,??????,??????????????????,???????????????????? 

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

1?????:????????300mm,??????500mm,?????50mm, ???????????10%??????????<100,?????????50%?

2?????:?????????????,??????????,?????????????,???????????,??????????,???????????(????????),????????

3???:????????????????,????,?????????????????,???????????,?????????????????? 

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