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| 单件重量; 单位重量 | |||
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weight per unit : 32 phrases in 11 subjects |
| Agriculture | 5 |
| Automobiles | 3 |
| Aviation | 1 |
| Drilling | 1 |
| Economy | 1 |
| Electric machinery | 2 |
| Metallurgy | 5 |
| Oil / petroleum | 1 |
| Plastics | 2 |
| Refrigeration | 3 |
| Technology | 8 |
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