该试验台用于测试检测飞机燃油液面的液面传感器。
This stand tests level sensors that detect the level of fuel in aircraft.
如果燃油液位传感器运行不正常，在油箱满箱情况下，表现出四分之三的燃油液面，燃料箱将允许DT c子例程运行并会设置一个虚假的P 0442。
If the fuel level sensor malfunctioned and showed three-quarters of a tank when the fuel tank was actually full, it would allow the DTC subroutine to run and would set a false P0442.
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