Warning: file_put_contents(): Only 0 of 6579 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55 accumulation ring是什么意思,accumulation ring的翻译,accumulation ring音标、读音、用法和例句_耀久九英英词典
Vertical migration of hydrocarbon in underground oil and gas accumulation and its ring halo effect have been demonstrated is many oil and gas fields. 地下油气藏中烃类垂向运移及其环晕效应已为很多油气田所证实;