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center piece; central block; central piece; centre piece |
中心块 : 17 phrases in 10 subjects |
Agriculture | 1 |
Automobiles | 1 |
Electronics | 2 |
General | 1 |
Metallurgy | 1 |
Name of organization | 1 |
Oil / petroleum | 1 |
Rail transport | 1 |
Technology | 7 |
Telecommunications | 1 |