arcwall machine

Noun

(mining) A mobile cutting machine that can cut horizontally into walls.

Japanese Meaning

採掘現場で使用される、壁を水平に切断できる移動式切断機

The crew operated the arcwall machine to make a horizontal cut into the mine wall.

作業員たちは坑内の壁に水平に切り込む移動式の壁面切断機を操作した。

Sense（1）

(mining) A mobile cutting machine that can cut horizontally into walls.

Coordinate term: shortwall machine

arcwall machines

（ plural ）