English中文EspañolFrançais
bimetallic helix /ˈbɪl pɹɪzˈɛntə/ n

中文：双金属螺旋

中文 · 双金属螺旋Español · hélice bimetálicaFrançais · élément bimétallique hélicoïdal
Meaning：Band made by welding together two metals with different coefficients of expansion; it curves as the temperature changes.
▶ Start interactive picture-tap lesson

Found in these illustrated scenes（1）

Bimetallic thermometer

‹ Browse all scenes