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单一阻碍 | |||
单滑轮滑车; 单块结构 | |||
单块; 简单字组; 单区组 | |||
单段 | |||
单滑车 | |||
整块; 单阻塞; 单轮滑车; 单轮车; 单滑轮; 单程序段; 单饼滑车 |
single block : 57 phrases in 13 subjects |
Automobiles | 3 |
Aviation | 1 |
Bridge construction | 1 |
Business | 2 |
Communications | 5 |
Electronics | 1 |
Metallurgy | 9 |
Oil / petroleum | 1 |
Plastics | 1 |
Rail transport | 3 |
Shipbuilding | 1 |
Space | 1 |
Technology | 28 |