If requested, the first and last plank can have visible veneered edges, without tongue or groove, finished to match the face of the plank.
如果提出要求，第一个和最后一个木板可以看得见单板边缘，但无舌或槽，成品，以配合面临的木板。
2
The apparatus bay glulam Tudor arches spanned by tongueandgroove cedar decking vault over the engines, celebrating their strength and precision.
该设施胶合都铎时期的拱跨结构，在引擎上方有雪松板拱的沟槽，赞美其强度和精度。
3
They made joints in stone keeping the lintels in place horizontally using a tongueandgroove joint and subsequently fixing the upright and lintel with a ball and socket joint or mortice and tenon.