hardness method
| test
| hardness method | |
| tech. | 硬度法 |
| test | |
| gen. | 测 |
| archit. | 试 验; 测验; 检査; 准则; 试验品; 试验方法 |
| auto. | 检 验 |
| hydroel.st. | 检定 |
| |||
| 硬度法 (非破损性混凝土强度测定法) | |||
|
hardness method : 7 phrases in 4 subjects |
| Construction | 1 |
| Space | 1 |
| Technology | 4 |
| Water resources | 1 |