我的位置：首页 >> 健康频道 >> 健康知识

??

?????????????????????????????????????????????????
?vc??3??32????vc??vc?????????????
???????????????

1????????1?410??^????
    ??512?????????

    ???3840????????????????????????????????

    ????????????????4080?257???????????????????????1?

????????????

   ?????????????????????????????????2030????????

???

??????

???? ???????????????^????????????????

???????????????????(??)???2%??3%???45??3%?????????(???)???????????????????...

“??” 的相关文章

??????????

??

??????????????????????????????????????
??
1????????????????????????1?????????????????
2?????????????
3???????????????????????()???()???????????????????

??

??????????????????????????????????
???1????0.7mm??2?<0.7mm?????????????3????????2mm??????
??????????????????????????????????????????????????????????????????????????
????????????????????????????????????90????????????
???????????????????????????????????????????????????????????????
??????4?
??...

??

???????

?????

???????????????C????AB1B2C????????????????????

????

????????????????????????

???

????????????????(??)??5??400??1/3???
?????

???????????????6????400??????3??????

]???

??????(?)??????????????????3??2????300????????

?????

???????400?????30????????????????????400?????...

?????

????
??
?????

????

????
???

1???????

(1)25????

(2)1?????

(3)??????

2??

??????????

???

1??????????????23??1?????1-2??1-2?????????????
2??s??69g?2???

3??s??6g?2-3???

4?????????

5??????1

6????15g?2???