terrain clearance indicator

例句：

1. 1. The terrain clearance indicator isused to determine the safest route fora vehicle to travel through the mountainousarea.
   地形清除指示器用于确定车辆在山区行驶时最安全的路线。
2. 2. The terrainclearance indicator helps us to avoid obstacles andensure the safety of our team members.
   地形清除指示器帮助我们避开障碍物，确保团队成员的安全。
3. 3. The terrain clearance indicator can beused to monitor the level of pollution inthe air, which is essential for environmentalprotection.
   地形清除指示器可用于监测空气中的污染水平，这对于环境保护至关重要。