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.
随便看	uymp uyms uyn uynr uynwarh uyo uyp uyr uyrc uyrcm uyrm uyrs uyrw uys uysa uysc uyseg uysm uyt uyta uyu uyuc uyuni, salar de uyuni salt flat uyuni salt pan

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