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twin spans; two spans | |||
double bay (间); double spans (度); twin spans (度); two-bay (度); two-span |
双跨 : 39 phrases in 9 subjects |
Agriculture | 1 |
Drilling | 2 |
Electronics | 2 |
Hydroelectric power stations | 2 |
Metallurgy | 3 |
Mining | 1 |
Oil / petroleum | 2 |
Technology | 25 |
Waterskiing | 1 |