“腹拱”概念、定义、翻译-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

单词	腹拱
释义	请查阅腹拱--拱肩拱--（空）腹拱
随便看	reciprocal leveling reciprocal levelling reciprocal mixing reciprocal observation reciprocal opening reciprocal pronoun reciprocal ratio reciprocal recurrent selection reciprocal reference reciprocal reference reciprocal reinsurance reciprocal review reciprocal role reciprocal role-expectation reciprocal scaling reciprocal screw injection moulding reciprocal sec reciprocal set of vectors reciprocal sight reciprocal space reciprocal specific turbidity reciprocal symbiosis reciprocal symbiosis reciprocal synapse reciprocal tariff