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可变截面 | |||
变截面; 变断面 |
variable cross- section : 26 phrases in 11 subjects |
Architecture | 1 |
Automobiles | 1 |
Aviation | 1 |
Bridge construction | 5 |
Business | 1 |
Hydroelectric power stations | 3 |
Nautical | 1 |
Rail transport | 1 |
Space | 1 |
Technology | 10 |
Wind Energy | 1 |