词汇	inactive echo
释义	inactive echo 迟钝波
随便看	vibrating-screen deduster vibrating screen dissolver vibrating screen for hot materials vibrating screening centrifuge vibrating signature vibrating silicon crystal transducer vibrating sinking mould vibrating slit vibrating sorter vibrating sound vibrating spear vibrating specimen magnetometer vibrating spectral analysis vibrating speed of particles vibrating spoon vibrating spout vibrating spring vibrating spring accelerometer vibrating-spring marine gravimeter vibrating spring relay vibrating squeeze molding machine vibrating squeeze moulding machine vibrating stamping press vibrating stamping process vibrating stoker