中国海外油气依存的现状、地缘风险与应对策略
杨宇1,2,3(
), 何则1,2,3
), 何则1,2,3
China’s overseas oil and gas dependence: Situation, geographical risks, and countermeasures
YANG Yu1,2,3(), HE Ze1,2,3
), HE Ze1,2,3
图2. 1970—2017年中国天然气产销差额与海外依存度演变
Figure 2. Changes in China’s overseas dependence of natural gas, 1970-2017
