US officials are also planning a controlled burn of oil in open water in an effort to protect shoreline and wildlife.
美国官员也正紧锣密鼓地布置计划，为保护海岸线和野生动物，打算在开阔水域对漏油进行有计划的点燃处理。
A small, dark plume along the edge of the slick, not far from the original location of the Deepwater Horizon rig, indicates a possible controlled burn of oil on the ocean surface.
距离深海钻塔的原始位置不远处，一缕小而黑的油膜痕迹，显示海面上石油有可能被控制燃烧。
One of his tasks is to use a computer-controlled machine tool to burn tiny cooling holes electrically in 3-inch-long turbine blades for aircraft jet engines.
他的工作职责之一就是用机控机床为喷气式飞机引擎的3英尺长的涡轮机叶凿出小孔。
One of his tasks is to use a computer-controlled machine tool to burn tiny cooling holes electrically in 3-inch-long turbine blades for aircraft jet engines.
他的工作职责之一就是用机控机床为喷气式飞机引擎的3英尺长的涡轮机叶凿出小孔。
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