試し作さく機き

noun

prototype machine; experimental model

Refers to a machine built for testing or demonstration before mass production. Common in engineering and technology contexts.

• この試し作さく機きはまだ量りょう産さんされていない。

  This prototype machine has not yet been mass-produced.

• 展てん示じ会かいで新あたらしい試し作さく機きが公こう開かいされた。

  A new experimental model was unveiled at the exhibition.