grouting radius

例句：

1. 1.The grouting radius of the tunnel is 2 meters.
   隧道的灌浆半径为2米。
2. 2. The engineer calculated the grouting radius based on the size of the hole.
   工程师根据孔的大小计算了灌浆半径。
3. 3.The grouting radius was chosen to ensure proper mixing and distribution of the grout.
   选择适当的灌浆半径以确保水泥浆料的充分混合和分布。