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butt strap | |||
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buttercover plate |
对接板 : 66 phrases in 12 subjects |
Architecture | 1 |
Automobiles | 2 |
Bridge construction | 4 |
Chemistry | 1 |
Construction | 1 |
Electric machinery | 1 |
Electronics | 1 |
General | 1 |
Metallurgy | 10 |
Oil / petroleum | 2 |
Space | 1 |
Technology | 41 |