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5、.2.5 , , (, , - - . .), , , - 500 3 (25 c177 2) , , . 12 . , (55 c177 5) , (28 c177 2) , (20 c177 2) ., , , (32 c177 2) , - 13 2000 5000 1 - . 500 3- (20 c177 2) . .6.3.2.6 (, - , , , , - ) , 6.3.2.5.3 5475820116.4 6.4.1 250 500 3 , , , - . , - .6.4.2 (t1). 24 .6.4.3 , , 34 , . .6.4.4 (c1141) 3 . - , . (c1142). . - . , -1 -2 . (t2).6.4.5 - , . - , , . , , . 6.4.26.4.4.6.4.6 - . (40 c177 2) , (5 c177 1) , (20 c177 2) - . .6.5 6.5.1 (t) - t1 t2, . .6.5.2 (c114cpt)