シールド工法 だろう
shiirudo kō hōdarō
1. Probably shield method.
Noun
#236529
1. Probably shield method.
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. seems; I think
2. right?; don't you agree?