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precolumn (praecolumna) | |||
pre-column |
预柱 : 48 phrases in 12 subjects |
Automobiles | 1 |
Biotechnology | 2 |
Bridge construction | 2 |
Communications | 1 |
Earth sciences | 1 |
Electronics | 2 |
Management | 1 |
Metallurgy | 1 |
Navigation | 1 |
Plastics | 7 |
Rail transport | 1 |
Technology | 28 |