n.灰皮（一种植物病）...

It describes the application of Engobe in Yellow graywall tiles and red body glaze floor tiles.以生产实际例子说明了化妆土在黄灰色墙面砖和红坯体无光釉地砖中的应用情况....

graywall的音标：graywall的英式发音音标为：['greɪwɔ:l]graywall的美式发音音标为：['greɪwɔl]...