基本解释

• [经济学]空心金属密封环

英汉例句

双语例句

• The sealing structure and principle of hollow metal O-ring was introduced.
  介绍了金属空心O形圈的密封结构和密封机理。
• According to the factors of operation pressure, medium and temperature, the specification and outside dimension of hollow metal O-ring, the detailed dimension of sealing groove were determined.
  设计时应根据操作压力、介质和温度等条件确定金属空心O形圈的外形尺寸和规格，然后进行矩形槽的设计。

专业释义

经济学

• 空心金属密封环