| 单词 | semisubmersible rig |
| 释义 | semisubmersible rignoun(in the oil industry) a type of drilling platform that floats supported by underwater pontoons, with much of its structure below the water line for stability in high winds: usually used only for exploratory drilling for oil or gasSometimes shortened to: semisubmersible Words nearby semisubmersible rigsemispinal muscle of head, semispinal muscle of neck, semispinal muscle of thorax, semistarvation, semisubmersible, semisubmersible rig, semisubterranean, semisulcus, semisweet, semisynthetic, semisystematic name Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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