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?? ? ??? ???? ????? ‘? ??? ???’??? ???? ?? ???? ??? ?? ???? ???? ????.
 
????? ??? ?? ??? ???? ??? ??? ??? ????? ??? ??? ???. ??? ??? 250~300kg? ????? ? ??? ??? ??? ??? 600g ??? ??? ??? ????.
 
? ??? ??? ??? ????? “? ??? ??? ?? ????”, “? ??? ??? ?? ??? ?? ??? ??”, “??? ?? ??? ??? ?”?? ?? ??? ???.
 
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