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pipe section |
管截面 : 62 phrases in 13 subjects |
Architecture | 2 |
Automobiles | 2 |
Aviation | 4 |
Bridge construction | 1 |
Construction | 2 |
Electronics | 5 |
General | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 1 |
Oil / petroleum | 4 |
Refrigeration | 1 |
Space | 7 |
Technology | 30 |