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時間：2022-04-28 13:15:26
簡要描述：
[中 文] 修復面積大，長度長，破裂，損壞的井內套管，修復錯斷的井內套管時所用的新舊套管的連接密封裝置—封隔器型套管補接器。[English] Connection and sealing device for new and old casings used when repairing the broken and damaged casing in well with large are
[中 文] 修復面積大，長度長，破裂，損壞的井內套管，修復錯斷的井內套管時所用的新舊套管的連接密封裝置—封隔器型套管補接器。
[English] Connection and sealing device for new and old casings used when repairing the broken and damaged casing in well with large area, long length, as well as repairing the wrongly cut casing in well —— packer-type casing patch-connector.
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