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crest block; jacking block | |||
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rubbing block |
顶块 : 78 phrases in 12 subjects |
Agriculture | 1 |
Architecture | 2 |
Automobiles | 5 |
Bridge construction | 3 |
Ceramics | 1 |
Construction | 1 |
Engineering geology | 1 |
General | 1 |
Mechanics | 2 |
Metallurgy | 2 |
Oil / petroleum | 2 |
Technology | 57 |