台下盆与台面开口边

提示词

按照产品与节点参考表现台下盆口、台面开口边和下方接合，开口厚度连续，盆体位于资料规定位置，不画出未提供的台下管线。

Show the undermount basin rim, countertop cutout edge, and joint below from product and detail references. Keep the cutout thickness continuous and basin placement as specified, without inventing under-counter plumbing.