If the paper has a glossy or coated side, that side of the paper faces down.
如果这种纸的有一面是光滑的或者上胶(意为覆盖涂层)的，那么这面应该朝下。
2
There are kinds of PVC ceiling film produced by Halead, such as translucent film, lack (glossy, face to face) film, matt film, satin film, printed film, coated fabric ceiling and fiberglass ceiling.