装凸缘
to flange [tech.],to flange on
凸缘
to flange [tech.],to flange on
凸缘
to flange [tech.],to flange on
凸缘
to flange [tech.],to flange on
装凸缘
to flange [tech.],to flange on
凸缘
to flange [tech.],to flange on
装凸缘
to flange [tech.],to flange on
装凸缘
to flange [tech.],to flange on
装凸缘
to flange [tech.],to flange on