English中文EspañolFrançais
power switch machine /ˈpaʊə ˈswɪtʃ məʃˈiːn/ n

中文：电动转辙机

中文 · 电动转辙机Español · control mecánico de agujasFrançais · moteur d’aiguillage
Meaning：Remote-controlled motor that provides the mechanical force for opening and closing the switch.
▶ Start interactive picture-tap lesson

Found in these illustrated scenes（1）

Remote-controlled switch

‹ Browse all scenes