Skirting line in -connection is detained

The utility model belongs to the technical field of the architectural decoration material, relate to skirting line in -connection is detained. A skirting line in -connection is detained which the cross section is " protruding " font, and left and right epitaxy the in bottom is held to left positioning end 1 and right positioning end 2, and middle bulge follows closely end 3 for sinking, and 3 symmetries at the end are followed closely with right positioning end 2 along sinking to left positioning end 1. The form is divided into the reentrant corner connector link to skirting line in -connection is detained, the external corner connector link peacefully connects three kinds connector links, wherein according to using the reentrant corner connector link is for buckling 90 along sinking to follow closely to hold, the external corner connector link is for buckling 90 along the bottom, the department uses the reentrant corner connector link at the wall reentrant corner, and wall external corner department uses the