長壁式採炭
【
ちょうへきしきさいたん 】
-
[n]
{mining}
- longwall mining
History:
-
A 2024-03-13 07:23:43 Syed Raza <...address hidden...> (id#2294291) - Diff
@@ -11,0 +12 @@ +<field>&mining;</field>
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A 2024-03-13 02:16:17 Jim Breen <...address hidden...> (id#2294266)
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A* 2024-03-12 21:47:10 Robin Scott <...address hidden...> (id#2294235) - Refs
daijs, koj, eij https://en.wikipedia.org/wiki/Longwall_mining
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