“油补距”的概念、定义、翻译、参考文献-科学参考

单词	油补距
释义	油补距 Encyclopedia 工学井口装置释 distance between tubing and bushing油补距从补心面（相当于钻井转盘上平面）到井口大四通上平面（套管四通上法兰面）的距离。又称四补距。
随便看	predetermined variable predicate predicate-argument structure predicate calculus predicate calculus with identity predicate constant predicate data model predicate encryption predicate formula predicate letter predicate logic predicate logic of first order predicate logic of higher order predicate logic of second order predicate logic with equality predicate modification rule predicate of first level predicate of first order predicate of n arguments predicate of n variables predicate of second level predicate of second order predicate symbol predicate transformer predicate transformer semantics

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