As planes and cars were in great demand of oil, people went and found many big oil wells.
As planes and cars were in great demand of oil, people went and found many big oil wells.
由于飞机和汽车需要很多油料，人们勘探到许多大油井。
As planes and cars were in great demand of oil, people went and found many big oil wells.
由于飞机和汽车需要很多油料，人们勘探到许多大油井。