橘子朗文词典

ballast bed

B 开头单词

短语词组

    短语

  • asphalt cemented ballast bed 沥青道床
  • integrated ballast bed 整体道床
  • integral ballast bed 整体道床
  • width of ballast bed 道床宽度
  • ballast bed finisher 平整道碴机
  • track on ballast bed 碎石道床轨道
  • elastic integral ballast bed 弹性整体道床
  • integrate ballast bed 整体道床
    • 返回 ballast bed