SHIELD SEGMENT

tunnel shield segment

Segment for Shield-driven Tunnel

segment of shield

Shield Lining Segment

SHIELD TUNNEL PIPE SEGMENT

SHIELD TUNNEL SEGMENT

shield tunneling segment

hard segment segment content

installation segment by segment

Segment-by-Segment

Segment-to-segment interaction

sacrificial shield(bio-shield)

3D line segment detection

Ⅲcs segment

5’-pTpTpCp-3’ segment

7 segment digital display

8-segment

a length measurement corresponding to the middle segment of one’s middle finger