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Hai lӵc tác dөng vào KDL ÿLӋn tích hai

lӵc trӵF ÿӕi:

chiӅX ÿӝ lӟn bҵng QKDX Yj ÿһt vào hai

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Trang 69

3.7 KӃ t quҧ xӱ lý kӃ t quҧ thӵc nghiӋ PVѭSK ҥm

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