erathem
基本解释
- [地质]界
英汉例句
- Shagou deposit mainly lies in the metamorphic rock of Taihua Group,Archaeozoic erathem.
本矿床主要的赋矿地层为新太古界太华群高级变质岩。 - The Yangjin'gou scheelite deposit occurs in Wudaogou group of lower palaeozoic Erathem.
杨金沟白钨矿床产于下古生界五道沟群中。 - Jiaodong Group ofthe Archean Erathem was the source bed of the gold deposits of the area.
上太古界胶东群是本区金矿床主要矿源层;岩浆活动是成矿物质的载体; - The oil resource which formed in Mesozoic and Cenozozic erathem accounts for about 87 percent.
石油资源主要分布于中、新生界,约占87%25,天然气资源主要分布于古生界,约占51%25; - Gas reservoirs of upper palaeozoic erathem contains different gas layers,it can be produced by separate layer fracturing.
为解决多油层分层压裂作业管柱一旦砂埋封隔器难以解封的难题,研制了多功能分层压裂开关。