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| difficult graft by a flap method | |||
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| difficult; hard; tricky | |||
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difficile : 41 Phrasen in 15 Thematiken |
| Allgemeine Lexik | 4 |
| Biowissenschaften | 1 |
| Chemie | 4 |
| Geographie | 1 |
| Landwirtschaft | 1 |
| Materialwissenschaften | 1 |
| Medizin | 6 |
| Metallurgie | 6 |
| Naturwissenschaften | 1 |
| Recht | 1 |
| Statistik | 1 |
| Umwelt | 2 |
| Verkehr | 10 |
| Verpackung | 1 |
| Wirtschaft | 1 |