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| tubbing | |||
tubbing (a lining of timber or metal around the shaft of a mine, especially a series of cast-iron cylinders bolted together, used to enable those who sink a shaft to penetrate quicksand, water, etc., with safety  websters1913.com) | |||
| tubbing lining | |||
| tubing support; segmental lining | |||
| тюбинговая крепь: 17 phrases in 3 subjects |
| Building structures | 2 |
| Construction | 1 |
| Mining | 14 |