| |||
circular cross section | |||
annular section | |||
| |||
circular cross section |
圆断面 : 42 phrases in 12 subjects |
Agriculture | 1 |
Architecture | 3 |
Automobiles | 1 |
Ecology | 1 |
Electronics | 2 |
Engineering geology | 2 |
Hydroelectric power stations | 3 |
Metallurgy | 10 |
Plastics | 1 |
Rail transport | 1 |
Refrigeration | 1 |
Technology | 16 |