It is imported from the Yacheng 13-1 gas field off Hainan Island in Southern China via a 780-kilometre high-pressure submarine pipeline.是什么意思_It is imported from the Yacheng 13-1 gas field off Hainan Island in Southern China via a 780-kilometre high-pressure submarine pipeline.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句