锥形磨 meaning in Chinese

cone mill
conoidal mill

Laboratory glassware - boiling flasks with conical ground joints
实验室玻璃器皿.锥形磨接口烧瓶
Laboratory glassware - boiling flasks with conical ground joints
实验室玻璃器皿.锥形磨口接头烧瓶
Laboratory glassware ; interchangeable conical ground joints , dimensions , tolerances
实验室玻璃器皿.可互换的锥形磨口尺寸和公差
Laboratory glassware . round bottom flasks . flat bottom flasks . flasks with conical ground glass joint
实验室用玻璃器皿.圆底烧瓶.平底烧瓶.锥形磨口烧瓶