• 1. in a vertical position: 处在垂直位置

• 1.These fishes are soon able to hold themselves in a vertical position.
  这些鱼类不久便能保持直立的姿式。
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• 2.Besides this, it is so designed as to be used in a vertical position to carry out center work with a tailstock.
  另外，工作台可以垂直位置与尾座配合使用，对工作进行圆周分度钻削和铣削。
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• 3.The FV-4M1 should be mounted only in a vertical position as its operation is based on the vertical movement of the float (see Fig. 3).
  排气阀FV-4M1只能采用直立安装方式，因为其工作原理是以浮子垂直上下运动为基础的（参阅图3）。
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