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light structure | |||
light-type structure | |||
balloon structure | |||
lightweight construction | |||
balloon construction; light construction | |||
lightweight structure |
轻型结构 : 26 phrases in 8 subjects |
Architecture | 1 |
Aviation | 2 |
Bridge construction | 2 |
Hydroelectric power stations | 1 |
Metallurgy | 1 |
Rail transport | 1 |
Technology | 17 |
Wind Energy | 1 |