“膨胀套管技术”的概念、定义、翻译、参考文献-科学参考

单词	膨胀套管技术
释义	膨胀套管技术 Encyclopedia 理学孔内钻具释 expandable casing膨胀套管技术在钻井或修井施工过程中，将套管柱下入井底，用膨胀锥头以液力或机械力的方法使管材永久形变，从而达到增大套管直接的目的，以实现节省井眼尺寸，封堵复杂地层的技术。
随便看	crop area monitoring by remote sensing crop breeding crop canopy analysis crop canopy temperature crop chemical control/regulation/manipulation crop clean cultivation crop climate ecotype crop climatic adaptation crop-climatical potential productivity crop coefficient crop combination crop composition crop composition and distribution crop cultivar approval crop cultivar registration crop cultivation for stress-resistance crop damage in sunlight greenhouse due to continuous overcast days crop disease crop disease and pest disasters in China crop diseases and insect pests crop diseases in China crop distribution crop domestication crop domestication and evolution crop ecological adaptability

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。