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| 土留め (траншейного скоса, つち・どめ); 土止め (траншейного скоса, つち・どめ); 覆エ (тоннеля, ふっこう); 山留め (やま・どめ) | |||
| 支材; 支柱 (shichū) | |||
| 坑道支柱 (kōdō-shichū); 打柱 (uchibashira) | |||
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крепь : 22 phrases in 3 subjects |
| Construction | 4 |
| Mining | 10 |
| Technology | 8 |
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