ground glass joint meaning in Chinese

磨口玻璃接头
磨蛇玻璃接头

It is advisable to fit all the ground glass joints with polytetrafluroethylene sleeves to prevent their sticking together .
最好把所有的磨光玻璃接头都装上聚四氟乙稀套管，以防止它们粘在一起。
Specification for interchangeable conical ground glass joints
互换式锥形毛玻璃接头规范
Interchangeable spherical ground glass joints
可互换式球面磨口玻璃接头
Laboratory glassware . conical flasks . conical flasks with conical ground glass joint
实验室用玻璃器皿.锥形烧瓶.带有锥形玻璃磨口的锥形烧瓶
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