Successful tests lead NASA to approve use of ultrasonic devices to search for leaks on flight hardware, locate leaks in ground support equipment and for use on board Shuttle missions.
自此，超声波侦测器被批准用于对飞行器硬件泄漏，地面辅助设备泄漏，以及升空飞船的检测。
Successful tests lead NASA to approve use of ultrasonic devices to search for leaks on flight hardware, locate leaks in ground support equipment and for use on board Shuttle missions.
自此，超声波侦测器被批准用于对飞行器硬件泄漏，地面辅助设备泄漏，以及升空飞船的检测。
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