Dry-dock-free underwater shallow-buried open-cut large channel basic structure unit and construction method
The invention relates to a dry-dock-free underwater shallow-buried open-cut large channel basic structure unit and a construction method. The basic structure unit used in the method has the following characteristics that the length of each basic structure unit is 20-25m, a sealing door is arranged a...
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Format: | Patent |
Sprache: | chi ; eng |
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