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| hose reducer | |||
| reducing piece | |||
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| increaser | |||
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异径接 管 : 21 phrases in 9 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Chemistry | 2 |
| Drilling | 3 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Rail transport | 1 |
| Technology | 8 |
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