首页>
外国专利>
a new method of retraction to the point of injection agents specified in the gazeifiants building of underground coal gasification.
a new method of retraction to the point of injection agents specified in the gazeifiants building of underground coal gasification.
展开▼
机译：一种将地下煤气化的凝视剂建筑物中指定的喷射剂收回的新方法。
展开▼
页面导航
摘要
著录项
相似文献
摘要
the method is that the displacement of the point of injection of the agent is obtained by sealing gazéifiants gradually at the end of the casing.either by injection of inert granular material) with a
展开▼
