砕さい鉱こう機き

noun

stamp mill; stamping mill

Technical term for a machine that crushes ore, typically used in mining and mineral processing.

• この鉱こう山ざんでは、砕さい鉱こう機きを使つかって金きん鉱こう石せきを細こまかく砕くだいている。

  At this mine, they use a stamp mill to crush gold ore into fine particles.