“拱券”的概念、定义、翻译、参考文献-科学参考

单词	拱券
释义	拱券 Encyclopedia 工学砖石结构释 arch拱券由块状料（砖、石、土坯）砌成的跨空砌体。是拱和券的合称。利用块料之间的侧压力建成跨空的承重结构的砌筑方法称发券，用此法砌于墙上做门窗洞口的砌体称券；多道券并列或纵联的构筑物（水道、屋顶）称筒拱，用此法砌成的穹窿称拱壳。
随便看	airfield service driveway airfield support buildings airfield support for flight test air filter air filter medium air filters air filtration and purification in the archival repository air float gyroscope air flooding air flotation air flotation thickening of mineral processing products airflow dyeing air flow motion in cylinder airflow shielding air-flue gas system air flue infiltration ratio air fluorescence cosmic ray detector airfoil airfoil theory air forced and slurry induced mechanical flotation cell air forced flotation cell Air Force Flight Test Center air force geography Air Force Medical University of PLA Air Force Political Department Drama Troupe of the CPLA

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。