movable rail

 
  • 活动护栏

movable rail的用法和样例:

例句

  1. A movable rail, tapered at the end, such as that used in a railroad switch.
    转辙器一端尖细可移动的铁轨,如用于铁路岔道的

movable rail的相关资料:

临近单词

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