“derrick floor”的概念、定义、翻译、参考文献-科学参考

单词	derrick floor
释义	derrick floor Encyclopedia 工学修井井架释 derrick floor钻台用来安装转盘、摆放钻杆、钻铤、井口工具等，并提供井口装置的安装空间和钻井作业的操作平台。
随便看	convergence interval convergence in topology convergence in variation convergence limit convergence line convergence magnet convergence multipliers convergence of a algorithm convergence of a difference scheme convergence of an infinite product convergence of an integral convergence of an iteration method convergence of a numerical method convergence of a sequence convergence of a series convergence of distributions convergence of economic growth convergence of iterative method convergence of measures convergence of obligatory rights and debts convergence-preserving convergence-preserving matrix convergence-preserving method convergence radius convergence rate

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