Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/446385dda5d270d9bc92b9f8692a9870.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 two series of strata是什么意思，two series of strata的翻译，two series of strata音标、读音、用法和例句_沉淀汉英词典
The technique of producing long span and two series of strata can satisfy the need of exploitation two series of strata. 3、大跨距、双层系油藏开采技术目前已基本配套,能够满足两套层系油藏开采的需要。