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Terms containing centre of arch | all forms | in specified order only
SubjectEnglishChinese
el.arch centre of crest拱坝坝顶拱圈中心
tech.centre of arch拱心
bridg.constr.locus of centres of arch ring拱圈中心轨迹线
bridg.constr.sectional centre of gravity of arch crown拱顶截面重心

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