flask

• Standard specification for laboratory glass conical flasks
  实验室玻璃圆锥瓶
• Specification for flasks with graduated necks phenols type
  颈部有刻度的烧瓶
• Rees - hugill specification for rees - hugill powder density flask
  里斯-赫吉尔
• Standard specification for laboratory glass filter flasks
  实验室玻璃吸滤瓶
• Pneumatic oil liquid dispenser not include oil flask
  气动式加油机不连油桶
• Mixed metal items such as pots and vacuum flasks
  混合金属物品（例如煮食锅、保温瓶）
• Inner containers of the vacuum flask . heat loss . test method
  保温瓶瓶胆保温效能测试方法
• Laboratory glassware - filter flasks , cylindrical shape
  实验室玻璃器皿.圆柱形过滤烧瓶
• The graduations are marked on the side of the flask
  烧瓶侧面有刻度标志
• Laboratory glasseware - one - mark volumetric flasks
  实验室用玻璃器皿.单刻度容积测量烧瓶