将横帆桁转向相反航向 brace about

斜桁横帆 lug sail

帆横桁张索 boom guy

翼帆横桁 studding sail yard

辅助帆横桁 jack yard

横帆船后桅下桁的帆 crossjack

前桅下帆横桁 fore yard

横桁帆 boom sail