gas purging
常见例句
- He said the workers had been purging gas lines all weekend.
他说清洗管道的工人已经工作了整个周末。 - Two kinds of new gas purging techniques for inclusion removing in tundish are intro-duced.
连铸中间包在最后净化钢水和稳定连铸的操作中起重要作用。 - The supply of purging gas to the porous plug is always done with individually controlled and regulated lines.
混合气体的投加一般是通过单独控制和调节的管道； 返回 gas purging