| |||
老一套 (指在工作方法上) | |||
力学方法 | |||
机械方法; 机械固沙方法; 沙障固沙方法 |
mechanical method : 27 phrases in 10 subjects |
Agriculture | 2 |
Business | 2 |
Information technology | 1 |
Metallurgy | 1 |
Nautical | 1 |
Power electronics | 1 |
Rail transport | 1 |
Shipbuilding | 3 |
Technology | 14 |
Water resources | 1 |