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拱圈 | |
el. | horizontal arch element |
hydroel.st. | arch ring |
作用 | |
hydroel.st. | action; function |
met. | act |
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horizontal arch element | |||
arch ring | |||
arc; arch block; ring; ring course (层) | |||
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arch barrel |
拱圈 : 88 phrases in 10 subjects |
Architecture | 4 |
Bridge construction | 11 |
Construction | 2 |
Electronics | 3 |
Engineering geology | 3 |
General | 2 |
Hydroelectric power stations | 9 |
Metallurgy | 1 |
Rail transport | 2 |
Technology | 51 |