| 摘要 |
<p>An array of rectangular tiles 6 fixed by a layer of material to a substrate includes a plurality of tile spacers 8 located at respective interstices of the array. Each tile spacer 8 includes four front portions 4 spaced 90‹ apart around the interstice, each portion being interposed between adjacent side edges of tiles and further includes a back portion 5 which is interposed between the substrate and each of the four tiles adjacent to the interstice.</p> |
