Method for assembling truss framed leg of self-elevating drilling platform
A method for assembling a truss framed leg of a self-elevating drilling platform includes: the first step of elongating racks; the second step of performing a single sheet; the third step of assembling section by section; the fourth step of pre-assembling the truss framed leg section by section, nam...
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Format: | Patent |
Sprache: | chi ; eng |
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