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helical gear | |||
screw |
螺旋 装置 : 39 phrases in 13 subjects |
Automobiles | 1 |
Aviation | 2 |
Chemistry | 1 |
Construction | 1 |
Drilling | 2 |
Electronics | 2 |
General | 1 |
Mechanic engineering | 1 |
Metallurgy | 2 |
Nautical | 1 |
Refrigeration | 1 |
Shipbuilding | 5 |
Technology | 19 |