steady speed test

例句：

1. 1. The engineer conducted a steady speed test on the new car engine.
   工程师对新车发动机进行了稳速测试。
2. 2. During the testing phase, we need to ensure that the steady speed test is accurate and reliable.
   在测试阶段，我们需要确保稳速测试准确可靠。
3. 3. The steady speed test is crucial for evaluating the performance of the vehicle's transmission system.
   稳速测试对于评估车辆传动系统的性能至关重要。