名词
中文翻译：操作高度
同义词：
['operational level', 'operational altitude']
例句：
-
1.The engineer needs to ensure that the machine is operating at an operational height.
工程师需要确保机器的操作高度。
-
2. In order to maintain safety, it's crucial to keep the height of the ladder at an operational height.
为了保持安全，梯子的高度必须保持在操作高度。
-
3. The aircraft was flown at an operational altitude of 50,000 feet.
飞机以50,000英尺的操作高度飞行。