大家都搜:
水下井口
1、musically underwater───水下音乐
2、explosions underwater───水下爆炸
3、went underwater───沉入水下;潜入水下
1、vertical pipe shield and underwater pile-foundation, a protection frame for wellhead is designed for the development of offshore marginal field.───设计了一种适用于海上边际油气田开发的垂直护管水下桩基式井口保护架。