half-peak width

例句：

1. 1. The half-peak width of the mountain is about 200 meters.
   这座山的半峰宽度大约是200米。
2. 2. The engineer measured the half-peak width of the tunnel to ensure it was safe for traffic.
   工程师测量了隧道的半峰宽度，以确保它对交通安全。
3. 3. The construction company needs to ensure that the half-peak width of the road is sufficient forvehicles.
   建筑公司需要确保道路的半峰宽度足以容纳车辆。