at right angles to

介词 prep.
中文释义

英文释义

介词 prep.
  1. Forming an angle of 90 degrees to something.
    — The whole unit is rotated through 90deg to a position at right angles to the wagon and the three parts of the piling frame are unfolded from the straight line form into which they are packed for travelling to the triangular form in which they are set up for piling.
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