snapping line

英 美
  • 弹线
  • line n.线;界线;皱纹;路线;航线;行;台词;行业;绳子;家族v.排队;画线;加衬里
  • snapping adv.显著地;非常地;强烈地adj.发出啪啦声的;闪光的;急躁的动词snap的现在分词形式.
名词 snap line:
  1. a chalked string used in the building trades to make a straight line on a vertical surface