词汇	backboiler
释义	backboiler 'bæk,bɔilən.炉灶后部的家用热水器
随便看	concentric rotating disc type artificial lung concentric scale concentric sclerosis concentric sclerosis of Balo concentric screen Concentric Sequence Initiation concentric shaft mechanism concentric shaft reduction gear concentric sheathcore fiber concentric sheath core fiber concentric sheathcore fibre concentric sheath core fibre concentric sheath-core fibre concentric shell concentric sign concentric sleeve concentric slip ring concentric sphere concentric spheres Concentric spheres are parallel Concentric Spherical Lens System concentric spherical mesh grid electron gun concentric spring concentric squirrel cage mill concentric stabilizer