| |||
开口三角形 | |||
开口三角形接线; V形接线 | |||
开口三角形连接,V形 | |||
开口三角形 (连接) | |||
| |||
V-形连接; 开口三角形连接 |
open delta : 16 phrases in 9 subjects |
Aviation | 2 |
Earth sciences | 1 |
Electric machinery | 2 |
Electronics | 2 |
Hydroelectric power stations | 1 |
Metallurgy | 2 |
Rail transport | 2 |
Technology | 3 |
Telecommunications | 1 |