“opening operation”的概念、定义、翻译、参考文献-科学参考

单词	opening operation
释义	opening operation Encyclopedia 工学建筑安全释 opening operation洞口作业建筑物或构筑物在施工过程中，常会出现各种预留洞口、通道口、上料口、楼梯口、电梯井口，在其附近施工的作业。
随便看	types of nuclear explosion types of numbers Types of offshore minimal platform types of oil or gas reservoirs types of option types of persons types of pile foundation Types of population migration types of possessive construction types of preferred stock types of production types of purpose clauses types of resultative constructions types of rhythm types of sea current types of sentences types of small towns types of soil water Types of Spar types of stock types of submarine pipeline types of subsea anchor types of syllable structures types of tenses types of the environment for agricultural production

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。