“段铣开窗”的概念、定义、翻译、参考文献-科学参考

单词	段铣开窗
释义	段铣开窗 Encyclopedia 工学开窗侧钻井钻井释 casing section milling段铣开窗在已下入套管井内，使用段铣工具在设计预定的套管位置先割断套管，然后在调压机构的作用下刀片加压在套管断面上进行段铣作业，再打水泥塞进行侧钻的作业方式。
随便看	precast concrete shear wall structure precast concrete structure precast concrete track beam precast pavement precast prestressed composite floor slab precast prestressed hollow floor slab pre-cataclysmic binary pre-cataclysmic variable precategory precaution precautionary approach precautionary demand for money precautionary principle precautionary principle of biosafety assessment precautionary principle of EMF precaval vein precedance relation in dependency tree precedence precedence function precedence grammar precedence method precedence relation precedent anthologies precedent as reference in a trial preceding

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。