| |||
drill casing; pipe casing | |||
borehole casing | |||
borehole lining; borehole tube; boring casing; drilled casing; drilled lining tube; perforated casing; tapping sleeve |
钻孔套管 : 43 phrases in 5 subjects |
Earth sciences | 1 |
Electronics | 1 |
Engineering geology | 10 |
Explosives and Explosive Ordnance Disposal | 1 |
Technology | 30 |