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rigid pipe | |||
rigid tube; rigid tubing | |||
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rigid PVC pipe; rigid polyvinychloride pipe |
刚 性 PVC管 : 33 phrases in 12 subjects |
Air defense | 1 |
Automobiles | 1 |
Bridge construction | 2 |
Ecology | 2 |
Electronics | 1 |
Engineering geology | 2 |
Hydroelectric power stations | 1 |
Mechanics | 1 |
Nautical | 4 |
Space | 1 |
Technology | 16 |
Wind Energy | 1 |