单词	整改提高
释义	整改提高 rectification and improvement
随便看	concentric stack concentric stenosis concentric strand concentric stranded wire concentric stranding concentric stria concentric structure concentric symtom concentric system concentric taper concentric terminal shield concentric, three-pole, coupling concentric transmission line concentric tube concentric tube-array concentrictube column concentric tube column concentric-tube column concentric tube heat exchanger concentric tube injector concentric tubes concentric tube with longitudinal fins concentric tubing concentric tubing string installation concentric tubing workover rig