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Terms containing 拱圈中 心 轨迹线 | all forms | in specified order only
SubjectChineseEnglish
bridg.constr.拱圈中心轨迹线locus of centres of arch ring
archit.拱圈的中心轨迹线locus of centres
tech.拱圈的中心轨迹线locus of center