大量依赖进口的消费大国在石油独立方面也可以有作为。石油独立是一个渐进过程,政府在其中起着决定作用。目前,我国石油对外依存度已超过55%,天然气对外依存度也在快速提升。美国提高石油安全性的思路与途 Consuming countries that rely heavily on imports can also do something about their independence. Oil independence is a gradual process in which the government plays a decisive role. At present, China’s dependence on foreign oil has more than 55%, natural gas dependence on foreign countries is also rapidly rising. US Ideas and Ways to Improve Petroleum Safety