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十字〔四通〕管接头 | |||
四通管 | |||
十字管 | |||
十字形四通管 | |||
交叉管; 四通管接头; 十字形管; 十字管 (接头); 四通 |
cross pipe : 34 phrases in 10 subjects |
Bridge construction | 1 |
Compressors | 3 |
Electronics | 2 |
Hydroelectric power stations | 3 |
Metallurgy | 1 |
Nautical | 1 |
Oil / petroleum | 1 |
Plastics | 1 |
Rail transport | 1 |
Technology | 20 |