?????????????!????

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

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