Opening and closing motion

英 美
  • 分合闸
  • and conj.和;加;接着;那么
  • closing adj.结束的n.关闭;终止;结算;地产成交会动词close的现在分词.
  • motion n.移动;动作;打手势;示意;提议;大便v.示意;运动;向...打手势
  • opening n.开口;开始;张开;开幕;空缺adj.开头的动词open的现在分词.
    1. An open and closed contact indicators show the vacuum interrupters contact position.
      分合闸指示状态接点表明真空断路器的状态。