基本解释

• [交通运输工程]密封性检验仪

英汉例句

双语例句

• Testing progressing and methods for its main points were described especially according to the characteristic of helium-leak apparatus and structure of urea tower.
  确定了尿素合成塔的氦泄漏试验方法，并对其要点进行了阐述；

专业释义

交通运输工程

• 密封性检验仪