closed string
| staircase
| closed string | |
| tech. | 闭式楼梯斜梁; 全包的楼梯 |
| staircase | |
| gen. | 台阶 |
| desert. од. | 阶状脉 |
| exhib. | 扶梯 |
| hydroel.st. | 梯子; 阶梯 |
| hydroel.st. од. | 楼梯 |
| met. од. | 楼梯间 |
| polo. | 梯形障; 高中低栅栏 |
| |||
| 闭式楼梯斜梁; 全包的楼梯 | |||
|
closed string : 10 phrases in 1 subject |
| Technology | 10 |