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die insert | |||
loose part; loose piece |
活块 : 46 phrases in 15 subjects |
Architecture | 3 |
Automobiles | 2 |
Desert science | 1 |
Earth sciences | 1 |
Electronics | 1 |
Engineering geology | 3 |
General | 1 |
Mathematics | 1 |
Metallurgy | 3 |
Multimedia | 1 |
Oil / petroleum | 7 |
Plastics | 1 |
Roll stock | 1 |
Space | 1 |
Technology | 19 |