“drill floor”的概念、定义、翻译、参考文献-科学参考

单词	drill floor
释义	drill floor [`dril ´flȯr] ^ENGINEERING A work area covered with planks around the collar of a borehole at the base of a drill tripod or derrick.
随便看	Sickle sickle sickle-cell anemia sickle-cell disease sickle-cell hemoglobin sicklerite sicula SID side side arms sideband sideband interference sideband splash side bar side-boom dredge side canyon side-centered lattice side chain side-channel spillway side circuit side-construction tile side-cut brick side direction side-discharge shovel side draw pin

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