共きょう同どう溝こう

きょ

う

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Meanings

1

multipurpose underground utility conduit; common utility duct

Civil engineering term for an underground tunnel housing multiple utilities such as water, gas, electricity, and telecommunications lines.

せつ

です

。

Common utility ducts are important facilities that protect urban lifelines.

新あたらしい共きょう同どう溝こうの建けん設せつが始はじまった。

Construction of a new multipurpose underground utility conduit has begun.