词汇	existing corrosion
释义	existing corrosion 现存腐蚀
随便看	rotating beam fatigue testing machine Rotating Beam Kilometer rotating beam therapy rotating beam transmitter rotating beam type machine Rotating Bearing rotating bearing seal rotating-bearing system rotating bed rotating bed with helix channels rotating belt printer rotating-belt printer Rotating benchmark rotating bending rotating bending fatigue machine rotating bending form die rotating bending test rotating bevel gear rotating bezel rotating bezel spring rotating bio disc rotating bio-disc rotating biological conductor rotating biological contactor rotating biologicaldisc