The pictures of the double-circle target fixed on a jaw rudder surface and parallel to its axis were taken by a stationary digital camera.
用一台位置固定的数码相机对平行于飞机方向舵转轴并固定在该舵面上的一个双圆靶拍照。
The lower jaw should be parallel to the floor.
下颚应该与地板平行。
The vise (parallel-jaw vice) is available to all of the bench work.
贝蒂的工作是站在后台提示演员。
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