test sieving
| method
| test sieving | |
| agric. chem. | 筛析 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 筛析 | |||
| 筛分析 | |||
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test sieving : 5 phrases in 5 subjects |
| Foreign trade | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Pest control | 1 |
| Technology | 1 |