drowned tube

Noun

A tube that is entirely below the water level of a boiler during operation.

Japanese Meaning

運転中のボイラーにおいて、水位以下に完全に位置する管

The engineer noticed a corroded drowned tube during the inspection and scheduled an immediate replacement to prevent boiler failure.

検査で技術者は腐食したボイラーの水面下にある管を発見し、ボイラー故障を防ぐためにただちに交換することを決めた。

Sense（1）

A tube that is entirely below the water level of a boiler during operation.

drowned tubes

（ plural ）