常见例句双语例句Pinghu oil and gas field(PHOGF)is the first-developed field in East China Sea petroliferous region, and H2 is the major reservoir of the field.平湖油气田是东海油气区第一个投入开发的油气田，H2油藏是平湖油气田的主力油藏。 返回 major oil and gas field