film coolant inlet

例句：

1. 1. The film cooling inlet is crucial for maintaining the engine's temperature during high-speed operation.
   在高速运行过程中，电影冷却剂入口对于保持发动机温度至关重要。
2. 2. The engineers carefully checked the film cooling inlet to ensure it was functioning properly.
   工程师们仔细检查了电影冷却剂入口，以确保其正常工作。
3. 3.During testing, the film cooling inlet was found to be leaking, which could affect the engine's performance.
   测试期间发现电影冷却剂入口有泄漏，这可能会影响发动机的性能。