key petroleum source bed

例句：

1. 1. The keypetroleum source bed is crucial forthe development of oil and gas industry.
   关键石油源床对于石油和天然气行业的发展至关重要。
2. 2.The discovery of this key petroleumsource bed has greatly advanced our understanding ofthe geological structure of the region.
   这一关键石油源床的发现极大地增进了我们对该地区地质结构的理解。
3. 3. The extraction ofoil from this key petroleum sourcebed requires advanced technology and expertise.
   从这个关键石油源床提取石油需要先进的技术和专业知识。