盾构机

tunnel boring machine

shield / (currency) Vietnamese dong / currency unit of several countries (Indonesian rupiah, Dutch gulden etc)

variant of 構|构[gou4] / (Tw) (coll.) variant of 夠|够[gou4] / to reach by stretching

to construct / to form / to make up / to compose / literary composition / paper mulberry (Broussonetia papyrifera)

(bound form) machine; mechanism / (bound form) aircraft / (bound form) an opportunity / (bound form) crucial point; pivot / (bound form) quick-witted; flexible / (bound form) organic