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Terms for subject Oil / petroleum containing ring channel | all forms | exact matches only | in specified order only
| English | Chinese |
| ring channel | 环形槽 |
| ring channel centrifugal flowmeter | 环式离心流量计 |
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| English | Chinese |
| ring channel | 环形槽 |
| ring channel centrifugal flowmeter | 环式离心流量计 |