bending of vault穹拱: arch of vault曲率: curvature; buckling; curvity拱曲率: arch curvature拱曲: hog; hogging; bend◇拱曲大梁 [房] hog-back girder拱曲线: arch line下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:穹拱曲率,即可在微信中查询翻译