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- The preferred method is by oxy-acetylene flame.Heat tube first, beginning one inch from edge of valve.Sweep flame around tube in short strokes up and down at right angles to run of tube. 首先从离1英寸的地方开始对管道进行加热，然后围绕着管道短距离上下交替对管道进行火焰烘烤，并以适当的角度旋转管道，避免烧穿管道。
- One line cuts another at right angles. 一条线与另一条线成直角相交。
- The preferred method is by oxy-acetylene flame.Heat tube first, beginning one inch from edge of ale.Sweep flame around tube in short strokes up and down at right angles to run of tube. 首先从离阀门1英寸的地方开始对管道进行加热，然后围绕着管道短距离上下交替对管道进行火焰烘烤，并以适当的角度旋转管道，避免烧穿管道。
- Hold the brush at right angles to the surface. 手握刷子使其垂直于表面。
- At right angles to a vertical line. 横的与垂直线成90度角的
- Before falling at right angles, Do hold me tenderly at a straight angle. 请用一百八十度温柔的抱抱我!
- Before falling at right angles,Do hold me tenderly at a straight angle. 在即将九十度坠落前，请用一百八十度温柔旳抱抱我。
- Place the table at right angles/at a right angle to the wall. 将桌子放在与墙成直角的地方。
- Streets usually intersect at right angles. 马路通常以直角交叉。
- Sweep flame around tube in short strokes up and down at right angles 然后围绕着管道短距离上下交替对管道进行火焰烘烤，并以适当的角度旋转管道，避免烧穿管道。
- A line cuts another at right angles. 一条线与另一条线相交成直角。
- Line A crosses line B at right angles. A线与B线成直角相交。
- The lines intersect at right angles. 线条垂直相交。
- Gun should be stroked at right angles. 喷枪应保持正确的角度。
- The machine must break down at this busy hour. 正忙的时候，机器偏偏又坏了。
- Being at right angles;perpendicular. 垂直的；直角的
- Kings used to know how to hold down the people. 国王们往往都知道怎样使人们服从他。
- Being at right angles to the horizontal; vertical. 竖直的，垂直的与水平呈直角的；垂直的
- Being at right angles; perpendicular. 垂直的；直角的
- The two lines meet at right angles. 两线垂直相交。
