영문 [국문] / 유의어
- rigidity [강성] /
- river gravel [강자갈] /
- river sand [강모래] /
- river structure [하천 구조물] /
- rock pocket [곰보] /
- rock wool [암면] /
- rod [봉] /
- rod buster [철근 조립공] /
- rod mell [봉 분쇄기] /
- rod type vibrator [봉형 진동기] /
- rodability [봉다짐성] /
- rodding [봉다짐] /
- rolled fill [전압 성토] /
- roller compacted concrete [롤러 다짐 콘크리트] /
- roller compaction [롤러 다짐] /
