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桩 锤 : 202 phrases in 12 subjects |
Architecture | 2 |
Bridge construction | 35 |
Construction | 1 |
Drilling | 1 |
Electronics | 2 |
Engineering geology | 23 |
General | 3 |
Hydroelectric power stations | 3 |
Metallurgy | 2 |
Oil / petroleum | 6 |
Shipbuilding | 4 |
Technology | 120 |