乙炔灯 乙炔炬

acetyleneburner  detail>>

乙炔灯

acethlene burner acetylene burner acetylene flame acetylene lamp azetylenbrenner  detail>>

乙炔炬

acetylene torch  detail>>

氧乙炔炬

oxyacetylene torch  detail>>

乙炔灯光浮标

acetylene buoy  detail>>

氧乙炔火焰 氧乙炔炬 氧乙炔喷焊器

oxyacetylenetorch  detail>>

乙炔

ethyne; acetylene ◇乙炔灯 acetylene burner; 乙炔发生器 acetylene (gas) generator; 乙炔罐 acetylene cylinde...  detail>>

苯乙炔

phenylacetylene  detail>>

碘乙炔

iodoacetylene  detail>>

聚乙炔

polyacetylene  detail>>

联乙炔

beacetylene diacetylene  detail>>

卤乙炔

haloacetylene  detail>>

氯乙炔

chloroacetylene  detail>>

氧乙炔

oxy acetylene oxy-accetylene oxyacetylene cutting torch  detail>>

乙炔,炔

c2h2  detail>>

乙炔，电石

azetylen(c2h)  detail>>

乙炔苯

ethynylbenzene  detail>>

乙炔表

acetylene gauge  detail>>