| 摘要 |
Liquid-level gauge, suitable for irregularly shaped containers (2), on an ultrasonic conductor (8, 81) which is arranged in the container and is provided with discontinuities, the ultrasonic reflection of which or the ultrasonic transmission of which to a second such ultrasonic conductor (82) depends on whether these discontinuities are immersed or not. This difference is evaluated (12, 112). <IMAGE>
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