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

2??????????????

3?????????????

4???????3000

5????????

??????6??20???? (?? ???)6????????????????9?????????18???????????????,??????????????????????????????????20?????,?6??????????19???????????20???,???????????????????7?43?????????????538???70.2??,???????????4490??,?????5180??;???????50.36??????????,???????????98.4??(??????,?????)?

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??????,??????,?,??????????????????,????,????????????,????????;????????????,???????

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???????????????????????,????????????,??????????????????????,????????????,??????????????????????

??,????????????????????,????«?»????????,600????????????

?,????????6000????,?????????????????????????????????????????????????????????????????,???????????????(?????????????????) ?????:??????????