“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	variograph variohm variolosser variometer varioplex variopter Variorum of Shennong's Classic of Materia Medica varioscale projection varioscope various auspicious patterns various cane treehopper various categories of households various decorative patterns Various Flowers by Xu Wei various genres of Chinese opera variously colored abalone various opera props and simplified setting of the Qing court various schools varipico variplotter Variscan Period variscite varistor varistor ceramics varisymbol

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