foretopmast
基本解释
- n.[船]前桅的中桅
英汉例句
- The sail hung from the foretopmast.
前桅中桅帆垂吊在前桅中段的帆 - A triangular sail stretching from the foretopmast head to the jib boom and in small craft to the bowsprit or the bow.
船首三角帆一面从前桅的中段展开至下桁的三角形帆，在小艇上则展开至第一斜桅或艇首 - a triangular sail stretching from the foretopmast head to the jib boom and in small craft to the bowsprit or the bow
一面从前桅的中段展开至下桁的三角形帆，在小艇上则展开至第一斜桅或艇首 - 7.A triangular sail stretching from the foretopmast head to the jib boom and in small craft to the bowsprit or the bow.
这些功能表显示了在主悬臂顶端安装飞臂情况下将负载操作离开主悬臂头滑轮时的数据。