シールドマシン
シ
ー
ル
ド
マ
シ
ン
Meanings
1
shield machine; tunnel boring machine
Technical term for a tunnelling machine that uses a shield to support the tunnel face. Common in civil engineering contexts.
This tunnel was excavated using a shield machine.
shield machine; tunnel boring machine
Technical term for a tunnelling machine that uses a shield to support the tunnel face. Common in civil engineering contexts.
This tunnel was excavated using a shield machine.