“rotary drilling rig”的概念、定义、翻译、参考文献-科学参考

单词	rotary drilling rig
释义	rotary drilling rig Encyclopedia 工学探矿机械释 rotary drilling rig回转钻机靠回转器或孔底动力机具转动钻头破碎孔底岩石的钻机。工学桩工机械释 rotary drilling rig旋挖钻孔机用于取土钻孔灌注桩施工的成孔机械。
随便看	optical burst optical burst switching，OBS optical cable optical camera optical camouflage optical cavity optical celestial navigation optical cement optical center optical ceramics optical chaos optical characteristics measurement optical character reader optical character reader, OCR optical character reader,OCR optical character recognition optical Chinese character recognition optical chip optical chromatography optical circuit switching，OCS optical circulator optical clock optical coating optical coatings optical code division switching，OCDS

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。