Warning: file_put_contents(): Only 0 of 6165 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/totle.com.cn/index.php on line 55 Roots blower pump例句_Roots blower pump英汉例句_Roots blower pump双解例句_乐豆毛深蓝词典
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. 本文介紹了L系列羅茨鼓風機在氫氣輸送過程中替代液環泵的優勢與特點。