The third breakthrough—from the trap theory to the petroleum system.
第三次突破，从圈闭理论到含油气系统。
Generation is a critical phase in the development of a petroleum system.
在石油系统的开发中，生烃作用是一关键阶段。
The petroleum system is of early trap and late hydrocarbon generation and accumulation.
其含油气系统具有早圈闭、晚生烃、晚成藏的特点。
In this system, the heavy fraction of petroleum has corrosion resistance for steel.
在该体系中石油重馏份对钢有缓蚀作用。
But at present our country has not set up a complete petroleum tax system yet.
而我国目前尚未建立起完善的石油税制体系。
Improve China's petroleum reserve management system and operation system.
尽快完善我国的石油储备管理体制与运行机制。
The petroleum information system is an information management platform that used for the petroleum profession.
石油信息系统是一个应用于石油行业的信息管理平台。
The well-maintainer system is not only safe and fast, but it is not petroleum dependent.
这种性能良好的系统不但方便快捷，而且不用石油供给能量。
The system has been widely applied in petroleum pipeline.
该系统在输油管线上已得到广泛应用。
The system has been widely applied in petroleum pipeline.
该系统在输油管线上已得到广泛应用。
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