基本解释

• [經濟學]吸持繼電器

英汉例句

權威例句

• He was the author of a number of discoveries relating to the telegraph industry, including a self-adjusting relay that solved the problem of circuits sticking open or shut, and a telegraph printer—a precursor of what was later called the Teletype machine.
  NEWYORKER: In the Air

专业释义

經濟學

• 吸持繼電器