Warning: file_put_contents(): Only 0 of 6114 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/totle.com.cn/index.php on line 55 bed stead例句_bed stead英汉例句_bed stead双解例句_乐豆毛深蓝词典
This article only discusses the plan of reforming the medium-sized fertilizer plant TEXACO coal gasification process in stead of fixed bed gasifier. 本文仅对以煤为原料的中型化肥厂,采用德士古气化工艺改造方案进行探讨。