褶皱山系 zhězhòushānxì fold mountain system Definitions Defs Origin Strokes Stroke Words Sentences Sents 褶皱山系 褶皺山系 zhězhòushānxì fold mountain system a system of mountains formed by the folding of layers within the upper part of the earth's crust
褶皱山系 褶皺山系 zhězhòushānxì fold mountain system a system of mountains formed by the folding of layers within the upper part of the earth's crust
