noun
mined strip; minefield belt
Military term for a strip of land where mines have been laid, often as part of a defensive barrier.
部隊は地雷敷設地帯を迂回して進んだ。
The unit advanced by detouring around the mined strip.
地雷原 is a broader term for a minefield, while 地雷敷設地帯 specifically refers to a strip or belt where mines have been laid, often as part of a defensive line.
Compound of 地雷 (land mine), 敷設 (laying, installation), and 地帯 (zone, belt).