英语词汇“double board”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	double board
释义	double board double board [¦dəb·əl ¦bȯrd] (petroleum engineering) The platform from which the derrick operator works, located at a height on the derrick equal to two joined pipe lengths.
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