Roof skylight rack - mounted with drip moulding known in france as " parisian - type " of welded or riveted steel . terminoly . dimensions 屋顶. "巴黎人"式焊接或铆接板制屋顶天窗框架.术语.尺寸
3.
Roofing accessories . roof skylight with gutter and rain water head for slate and plain tiled roof tops . terminology . dimensions 屋顶附件.石板或平瓦屋顶用带接水槽和箱屋顶天窗.术语.尺寸