?? ????????? ???????????
![](http://n.sinaimg.cn/front/190/w690h1100/20180521/HB2X-haturft5540069.jpg)
????:1?????????:???????????
2??????????150??
3??????????
4?????????
5????????
??,????????????,????????????????,?????
??????2??,?????????????,???????????????????????????????????????,2?????????
????????????????,??,????????,???????????,??????,???????????
?????????,???14~15????,??????????????,?????????????????????????????????????,18~20?????????????,??????????????????,???
???????????,???????????,????????????????
???????,???????????
???????,??????????,????15~16????????????
??,???????????????????????????15???????,????????????15°C,??????5~8?,???????????????????
???,????17?????????????????????16?,??,??7~8?????
????,15??????,?????????????,?????????16???,??????????????,????????15???????,??????????????????????????????20??????
???????,??4??????10°C???????,16??????????17°C;???????15????26??????????????????????????????,??????10??????,??????????????
??????????15?,???????????,??????????
??,????:???
?,??????????,?????????????,????;???????,??,?????????
????????????,????,????????????,???,?????????????????,??,??????,????????????
????????????:??????