Warning: file_put_contents(): Only 0 of 5063 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 Roots blower pump是什么意思，Roots blower pump的翻译，Roots blower pump音标、读音、用法和例句_沉淀汉英词典
This paper introduced the advantage and characteristic of L-series roots blower, which could substitute the liquid ring pump in the process of hydrogen transportation. 本文介绍了L系列罗茨鼓风机在氢气输送过程中替代液环泵的优势与特点。