Welding Design and Fabrication
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1980年
/
53卷
/
08期
关键词:
538 Welding and Bonding - 545 Iron and Steel - 674 Small Craft and Other Marine Craft;
D O I:
暂无
中图分类号:
学科分类号:
摘要:
Jackup rigs work in any depth of water to 350 ft (107 m) and can be towed from one job site to another. The marathon LeTourneau yard, in Brownesville, Texas, builds four new rigs each year.