单词	声响测距
释义	声响测距 sonic ranging
随便看	vacuumbrake vacuum brake Vacuum brake booster vacuum braked passenger stock vacuum braked stock vacuum brake equipment vacuum brake flexible hose vacuum brakehose vacuum brake hose Vacuum brake hoses for automobiles vacuum brake-system vacuum brake-system for vehicles vacuum braking vacuum braking system Vacuum braze welding vacuum brazing Vacuum brazing for stainless steel vacuum brazing furnace Vacuum brazing temperature vacuum breader vacuum break vacuum breakdown vacuum breaker vacuum-breaker vacuum breaker float