词汇	piston attenuation
释义	piston attenuation 活塞衰减器
随便看	cleaning of down-hole gravel packs cleaning of down-hole screens cleaning of electrodes cleaning of electrolytic aluminum gas cleaning of element cleaning of emissions cleaning-off cleaning-off burrs cleaning of felts and fabrics cleaning of filters with granular material cleaning of grain and oil material cleaning of heat-dissipating surface cleaning of hold cleaning of ingot moulds cleaning of land cleaning of medium cleaning of membrane cleaning of metallic material cleaning of metallic material apparatus cleaning of metallic materials cleaning of meter cleaning of oil pipeline Cleaning of Oxygen Diaphragm Compressor cleaning of perforated disc cleaning of perineal hematoma