| |||
十字接头; 交叉接头 | |||
四通管 | |||
十字管; 四通; 十字管接头 |
pipe cross : 36 phrases in 11 subjects |
Bridge construction | 1 |
Compressors | 1 |
Construction | 1 |
Electronics | 2 |
Hydroelectric power stations | 3 |
Metallurgy | 1 |
Nautical | 1 |
Oil / petroleum | 2 |
Rail transport | 1 |
Shipbuilding | 1 |
Technology | 22 |