シールド工法 でした
shiirudokōhōdeshita
1. Was shield method.
Noun
#230510
1. Was shield method.
1. pupil; disciple
1. shield
1. becoming a pupil (of); becoming an apprentice
1. rear; back
1. high mountain; lofty peak
1. official bulletin; communique
1. sailing; navigation
1. public relations; PR
2. publicizing
1. deci-; 10^-1