凹凸: concave-convex面: face凹凸面法兰: male and female flange大凹凸面: large male &female face墙的凹凸面: jog双凹凸面: double male & female face凹凸面迭接封圈: diagonal ring凹凸面对焊钢制管法兰: steel pipe welding neck flanges with male and female face for pn 0mpa; steel pipe welding neck flanges with male and female face for pn 5mpa; steel pipe welding neck flanges with male and female face for pn mpa凹凸面钢制管法兰盖: steel pipe blank flanges with male and female face for pn 0mpa凹凸面整体钢制管法兰: integral steel pipe flanges with male and female face for pn 0mpa; integral steel pipe flanges with male and female face for pn 5mpa; integral steel pipe flanges with male and female face for pn 6mpa; integral steel pipe flanges with male and female face for pn mpa凸面: convex surface; [冶金学] crown◇凸面镜 [光学] convex mirror; convex lens凹凸面带颈承插焊钢制管法兰: hubbed socket welding steel pipe flanges with male and female face凹凸面带颈平焊钢制管法兰: hubbed slip-on-welding steel pipe flanges with male and female face凹凸面对焊环板式松套钢制管法兰: loose plate steel pipe flanges with welding neck collar with male and female face凹凸面平焊环板式松套钢制管法兰: loose plate steel pipe flanges with weld-on collar with male and female face凹凸面型钢制管法兰用石棉橡胶垫片: asbestos rubber gaskets for steel pipe flanges with male and female face凹凸: concave-convex 凹凸不平 uneven; irregularity; rough; sags and crests; roughness; 凹凸镜 concave-convex lens; concave and convex lenses; 凹凸印刷 embossing; die stamping双凸面: bi convex; biconvex凸,凸面: convex凸度,凸面: convexity凸面的: convex凸面辊: crowned roller凸面焊: convex weld凸面镜: conver lens; convex mirror凸面壳: convex shell