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lever brake |
杆 闸 : 111 phrases in 14 subjects |
Chemistry | 3 |
Compressors | 3 |
Cycling other than sport | 1 |
Dermatology | 1 |
Drilling | 2 |
Ecology | 1 |
Electronics | 7 |
Hydraulics | 1 |
Hydroelectric power stations | 6 |
Metallurgy | 4 |
Nautical | 1 |
Oil / petroleum | 5 |
Shipbuilding | 6 |
Technology | 70 |