hull tip clearance

例句：

1. 1. The ship's hull tip clearance is critical for safe navigation.
   船舶的船壳顶端间隙对于安全航行至关重要。
2. 2. The engineer inspected the hull tip clearance to ensure it met safety standards.
   工程师检查了船壳顶端间隙，以确保它符合安全标准。
3. 3. The clearance allows for easy access to the engine compartment without damaging the hull.
   这个间隙允许轻松进入发动机舱，而不会损坏船壳。