????:1?????????:????

2?????

3???????

4????????

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

???????????????????,????,????????19????8?????,??(?????187.2??)?3.61?,??????????(????????146.0????)??(????210.5?????????????)?????0.42~0.77??,???????1?????????????????,??????????

??????3?????25????????????

?????????????(???????????????146.0?)????(????99.5?)?????2~3??;

??(187.2????)4????????????;

?????????????(???????150.5????????????)??0.5~1?;

?(155.6?)???????(139.0???????)??????????????(139.0????)???0.5~2?;

???

?????????????????????????????????????,??20??

??6???????????19??????????????????????8????30??,????????????????????????????????????????????????????????????????????(??????????????)???????,???(? ????????) ??????:???