ultimate strength design
| method
| ultimate strength design | |
| oil transp. | 极限强度设计 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 极限强度设计 | |||
|
ultimate strength design : 4 phrases in 2 subjects |
| Construction | 1 |
| Technology | 3 |