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| push bench; tube push bench | |||
| pipe pusher; pipe-jacking system; thrust borer | |||
| tube push mill | |||
| pipe-forcing system | |||
| |||
| tube push bench | |||
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顶管机 : 12 phrases in 4 subjects |
| Metallurgy | 4 |
| Oil / petroleum | 4 |
| Shipbuilding | 1 |
| Technology | 3 |
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