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| pore size; pore value | |||
| hole size | |||
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孔大小 : 30 phrases in 14 subjects |
| Agriculture | 3 |
| Aviation | 1 |
| Construction | 1 |
| Desert science | 1 |
| Drilling | 1 |
| Engineering geology | 2 |
| General | 4 |
| Geology | 2 |
| Measuring instruments | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 4 |
| Plastics | 1 |
| Sports | 1 |
| Technology | 7 |
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