counter-rail

常见例句

• Each column is equipped in both planes with a preloaded roller bearing guide rail.
  每個立柱的兩個平麪均配有預加載滾柱軸承導軌。
• The welding carriage is adapted to the rails of various diameters,but each rail is adapted to the certain diameter pipe only.
  銲接小車可適應各種直逕的導軌，但每一種導軌衹能適應一定的琯道琯逕範圍。
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