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Terms for subject Technology containing degree of coalification | all forms | in specified order only
| English | Chinese |
| degree of coalification | 煤化程度 |
| property test of lower coalification degree | 低煤化程度的煤特性试验 |
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| English | Chinese |
| degree of coalification | 煤化程度 |
| property test of lower coalification degree | 低煤化程度的煤特性试验 |