2116| 0
|
某天燃气含甲烷80%,其余为不燃气体。若要使100克这种天然气完全燃烧,标准状况下需空 |
|关于我们|网站地图|油气储运网 ( 鲁ICP备11007657号-3 )
GMT+8, 2024-12-23 04:47 , Processed in 0.019775 second(s), 11 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.