予よ備び装そう置ち

noun

reserve equipment; backup unit; spare

Refers to equipment kept in reserve for use when the primary equipment fails or is unavailable. Common in technical, industrial, and military contexts.

• 停てい電でんに備そなえて予よ備び装そう置ちを用よう意いしておく。

  We keep backup equipment ready in case of a power outage.

• この工こう場じょうでは、主しゅ要ような機き械かいが故こ障しょうしたときのために予よ備び装そう置ちが常つねに保ほ管かんされている。

  In this factory, reserve equipment is always stored in case the main machinery breaks down.