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double triangulated system | |||
double support | |||
double bracing | |||
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double triangulated system |
双支撑 : 29 phrases in 8 subjects |
Architecture | 1 |
Athletics | 2 |
Dancing | 1 |
General | 1 |
Gymnastics | 7 |
Heavy equipment vehicles | 1 |
Shooting sport | 2 |
Technology | 14 |