自选五不中简介：Therefore, the Ming army dug a trench between Jinzhou and Dongguan Pier, using a line three miles from Jinzhou and two miles from Dongguan Pier to separate the two places.
Therefore, the Ming army dug a trench between Jinzhou and Dongguan Pier, using a line three miles from Jinzhou and two miles from Dongguan Pier to separate the two places.
