“drill rig”的概念、定义、翻译、参考文献-科学参考

单词	drill rig
释义	drill rig Encyclopedia 理学钻机释 drill rig钻机在地质勘探过程中，带动钻具从地下钻取岩心、矿心、岩屑、液态样、气态样等实物地质资源的专用机械设备。
随便看	sigma-complete sigma-complete ideal sigma-complete lattice sigma-completeness sigma complete vector lattice sigma complex sigma discrete family sigma-discrete family sigma electron sigma field sigma-field sigma field of events sigma-field of events sigma-field of sets sigma field prior to tau sigma-field prior to tau sigma-field prior to τ sigma-field strictly prior to τ sigma-finite sigma finite measure sigma-finite measure sigma-finite measure space sigma formyl complex sigma-formyl complex sigma-function

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