トレンチ工法 ではありません
torenchi kō hōdewārimasen
1. It is not a trenchless method.
Noun
1. It is not a trenchless method.
1. hedge
1. trench coat
1. rear; back
1. high mountain; lofty peak
1. official bulletin; communique
1. sailing; navigation
1. public relations; PR
2. publicizing
1. method of construction