????:1??????:sn???????

2???????????

3????????????

4???spa

5????????????

????2????12????????? (???????????? ?????)1??19????????????????????????2??12?????,“???????????????????????????????????”?(????????“?????”)??????????????????????????,????????,??????????,???????????5???

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

????????????????????????????4???????????,?????????????????????????????,??????,?????,???

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

“?????,??????????”?????,??????????“?,???????????????,?????,??????????????”

?????????????????????,????????60??????????????,?????1.6????????????????,??????7?,????????200??,?500??????(???????????)

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