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Terms for subject Scuba diving containing degree of difficulty | all forms | in specified order only
| English | Chinese |
| degree of difficulty | 难度系数 |
| total degrees of difficulty | 难度总和 |
| total of degrees of difficulty | 难度总和 |
|
| English | Chinese |
| degree of difficulty | 难度系数 |
| total degrees of difficulty | 难度总和 |
| total of degrees of difficulty | 难度总和 |