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protection tube | |||
guard tube | |||
protecting tube | |||
protective pipe |
防 护管 : 22 phrases in 10 subjects |
Automobiles | 1 |
Drilling | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
Geology | 1 |
Metallurgy | 1 |
Oil / petroleum | 3 |
Rail transport | 1 |
Space | 1 |
Technology | 10 |
Telecommunications | 1 |