center line stake

例句：

1. 1. The construction crew used the center line stake to mark the location of the new road.
   施工队使用中心线桩来标记新道路的位置。
2. 2.The police officer placed a central stake at the scene to prevent further damage.
   警察在事故现场放置了一个中心桩以防止进一步损坏。
3. 3.The farmers carefully marked their crops with central stakes to ensure proper spacing.
   农民们小心地用中心桩标记他们的作物，以确保适当的间距。