tail seal

トンネル
Related terms (3)：

shield machine (シールド掘進機)
About shield machine
- Search "shield machine"
- Detailed information
segment (parts) (セグメント)
About segment (parts)
- Search "segment (parts)"
- Detailed information
joint (part) (接合部)
About joint (part)
- Search "joint (part)"
- Detailed information

Broader terms (1)：

shield (tunneling) (シールド)
About shield (tunneling)
- Search "shield (tunneling)"
- Detailed information

Thsaurus map：

Thesaurus Map (Notice) Synonyms included only in Sciterm are not displayed

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