During the period of " 11th Five-Year Plan ", the ocean oil field will step into a rapid development time , so does the aviating service of helicopters which plays an absolutely necessarily part in ocean oil exploration .
进入十一五后,海洋石油开发进入一个快速发展阶段,作为海洋石油开发勘探不可缺少的直升机飞行服务也加快发展步伐。