sodium acetylidesodium carbide乙炔: ethyne; acetylene钠: sodium甲基乙炔钠: sodium methyl-acetylide丙炔钠: sodium methyl-acetylide乙炔: ethyne; acetylene◇乙炔灯 acetylene burner; 乙炔发生器 acetylene (gas) generator; 乙炔罐 acetylene cylinder;乙炔焊 acetylene welding下载手机词典可随时随地查词查翻译