در مورد shale gas در ویکی تابناک بیشتر بخوانید

war to access its massive shale gas reserves in sichuan...

war to access its massive shale gas reserves in sichuan... shale gas on the planet - about 31 6 trillion... of natural gas, with about 40 per cent of its... 6 billion cubic metres of shale gas, or about 6...