911查询·英语单词
1. 板肋：arris hiptile 屋脊瓦 | arris of slab 板肋 | arris rail 三角轨
2. 板棱：arris of joint 接缝圆角 | arris of slab 板棱 | arris of slab 板肋
3. 边棱 arris 板肋：墙面内的辅助拱 arriere voussure | 边棱 arris 板肋 arris of slab | 三角轨 arris rail