영문 [국문] / 유의어
- refining [정제] /
- refraction factor [굴절률] /
- refractoriness [내화도] /
- refractory [내화 재료] /
- refractory aggregate [내화 골재] /
- refractory concrete [내화 콘크리트] /
- refractory insulating concrete [내화 단열 콘크리트] /
- refractory mortar [내화 모르타르] /
- regulated set cement [정규 응결용 시멘트] /
- rehabilitation [보수] / 복구
- rehabilitation [ 복구] / 보수
- reinforced block structure [보강 블록조] /
- reinforced concrete [철근콘크리트] /
- reinforced concrete block [보강 콘크리트 블록] /
- reinforced concrete pile [철근콘크리트 말뚝] /
