平ひら炉ろ

also: へいろ

ひ

ら

ろ

Meanings

1

open-hearth furnace

Technical term in metallurgy; a type of furnace used for steelmaking.

平ひら炉ろはかつて製せい鋼こうの主しゅ要ような設せつ備びだった。
The open-hearth furnace was once a major facility for steelmaking.

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