無む線せん操そう縦じゅう

noun, noun which may take the genitive case particle 'no'

radio control; wireless control

Refers to controlling a device from a distance using radio signals. Commonly used for model vehicles, drones, and industrial equipment.

• 彼かれは無む線せん操そう縦じゅうのヘリコプターを飛とばしている。