tectonic system
| syntaxis
| tectonic system | |
| hydroel.st. од. | 构造体系 |
| syntaxis | |
| gen. | 衔接; 并合 |
| anim.husb. | 关节 |
| eng.geol. | 衔接 |
| |||
| ★ 构造体系 | |||
| 构造系 | |||
|
tectonic system : 45 phrases in 3 subjects |
| Engineering geology | 1 |
| Oil / petroleum | 10 |
| Technology | 34 |