词汇	bituminous coal caking
释义	bituminous coal caking 烟煤结块
随便看	principal crossed homomorphism principal cross section principal cross-section principal crystalline phase principal crystallographic axis principal cubic root principal culprit principal culture principal cure principal currency principal current principal current characteristic principal curvature principal curvature function principal curvature of a surface principal curvature of surface principal curvature radius principal curvatures principal curve Principal curve modeling principal curves principal curve segmentation principal customer principal cut principal cutting angle