- 乙炔灯 yǐquēdēng acetylene lampa lamp that produces and burns acetylene gas, typically used by miners or for early automotive headlamps
- 氧乙炔 yǎngyǐquē oxyacetylene
- 氧乙炔炬 yǎngyǐquējù oxyacetylene torchan oxyacetylene torch
- 氧乙炔焊 yǎngyǐquēhàn oxyacetylene welding
- 氧乙炔焊炬 yǎngyǐquēhànjù oxyacetylene torch