Home > Term: bench-and-bench
bench-and-bench
Ark. That plan of mining coal in a room that requires the blasting of the two benches of coal alternately, each a little beyond the other.
- Jenis Kata: noun
- Industri / Domain: Pertambangan
- Kategori: Peratmbangan secara umum; Mineral mining
- Government Agency: USBM
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- ed.young
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