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demarcated national boundary lines

英 [ˈdiːmɑːkeɪtɪd ˈnæʃnəl ˈbaʊndri laɪnz] 美 [ˈdiːmɑːrkeɪtɪd ˈnæʃnəl ˈbaʊndri laɪnz]

业已划定的国境线

法律

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