建設に関して極めて重要な役割を担う読み方
Update Required
To play the media you will need to either update your browser to a recent version or update your Flash plugin.
- 建設に関して極めて重要な役割を担うの英語：have a vital role in the construction of〔～の〕
简体版繁體版English
简体版繁體版English