English Dictionary

overcutter

名詞

(mining) A device used to cut into rock walls from above.

日本語の意味

（採掘用）上から岩壁に切り込みを入れるための装置

The mining crew replaced the overcutter after it failed to penetrate the hard quartz seam.

採掘班は、硬い石英脈を貫通できなくなったため、上方から岩壁を切る装置を交換した。

意味（1）

(mining) A device used to cut into rock walls from above.

It is estimated that the capacity of an overcutter is three times that of a chain-breast machine and twice that of a shortwall machine;

overcutters （ plural ）