シールド工法 です
shiirudo kō hōdesu
1. Shield construction method.; Shield tunneling.
Noun
#238645
1. Shield construction method.; Shield tunneling.
1. shield
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
1. caisson method
1. Was not a shield.; Wasn't a shield.