“casing head”的概念、定义、翻译、参考文献-科学参考

单词	casing head
释义	casing head Encyclopedia 工学井口装置释 casing head套管头由多个法兰焊接于密封钢管侧壁的井口装置。是套管柱结构的最上层部件。
随便看	Square Mountain and Changyu Dongtian Scenic and Historic Area squareness squareness measurement square net square number square of a number square of opposition square of order n square of the distance square of the standard deviation square packing square paper Square Park square part Square play square point picking square polyomino square potential barrier square prism square pyramid square pyramidal number squarer square root square root algorithm square root inequality

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。