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| rigid PVC pipe; rigid polyvinychloride pipe | |||
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| rigid pipe | |||
| rigid tube; rigid tubing | |||
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刚性 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 |
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