布雷布雷就是把水雷布设在水中,用以摧毁敌人的舰船。布雷的作用有防御方攻击两方面。防御性布雷,通常是把水雷布设在自己的海岸或港湾附近,以阻止敌舰的偷袭。攻击性布雷,通常是把水雷布设在敌人的港口或敌舰的活动区域,给敌舰以致命的打击。用於防御方面的水雷一般是视发水雷或独发水雷。防御性布雷工作,主要是由布雷舰来担当的。布雷舰能装载大量水雷,并能准确地把水雷布设在所选择的位置,构成有计划的防御雷区。布雷舰有的是特别建造 Brebre laid the mine in the water to destroy the enemy's ship. The role of mine defensive attack on both sides. Defensive mines, usually mined on their own shores or in harbors to deter enemy ships from attacking. Aggressive mines, usually mined in the enemy's port or area of ​​activity of enemy ships, have dealt a deadly blow to the enemy ships. Mines used for defensive purposes are usually mines or solitary mines. Defensive mine work, mainly by the mine to play mine. The mine can carry a large number of mines, and can accurately mine the cloth in the selected location to form a planned minefield of defense. Some of the mine-laying ships are specially built