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Ä³Ò»×¡Õ¬Ð¡Çø,¾ÓסÈËÊý3500ÈË,ÊÒÍâ¸øË®¹ÜÍø(²»º¬Ïû·À)Ϊ»·×´¹ÜÍø,ÓëÊÐÕþ¸øË®¹ÜÓÐÁ½Ìõ¸øË®¹ÜÏàÁ¬½Ó,Ð¡ÇøÓÃË®Á¿25L/s.ÊÔÇ󵱯äÖÐÒ»Ìõ¸øË®¹ÜµÀ·¢Éú¹ÊÕÏʱ,ÁíÒ»Ìõ¸øË®¹ÜÖÁÉÙҪͨ¹ý¶àÉÙÁ÷Á¿__ L/s.
A.15.0;
B.12.5;
C.?16.3;
D.?17.5.

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