????�???????� ???????????
????2??19????????(??)19??????????,???????,??????????�??�????,?????????,????�???�?

??????????????????,??,????????????�????????��???????��????�????????????,???�??????????????�?????????????�??�?
??????????,????????????????????2.8??,??,????????????????????????????????JD605????????�????????????????�?????,???
�????????????�??,??????????????????????,??????????�?????????????�??????????????,???????????,???,?????
???????,?????????????????????????,??????????????????????;??????????,?????????????????,????,?????,?????
????,?�???????�?????????????,???????????(????)
????????????:???????????????????????
??
???:????