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4??????????

5?????200?

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???:?????????“?????????????”(?????),19??????19.2????????117.0??,?650??????,?15???????????????????????(48?????????????/??????),?,“???”???????????10-15???????????,????????????,???6???(??????,16~17??,53~58?/??????????),7???????

?,4??~7?14~15?????????????????,???“?”?????????16~17??;5??~7?,?,???????????????????350~450?????????600????????????,?????????250~350?????????400????,??100~250????????;??,5??~6??????,??12~15??,5?~7?,???9~12?????????????

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