overlay
特殊用法agar overlay1.■琼脂覆层basic overlay1.■基本覆盖colour separation overlay1.■色度键dynamic overlay1.■动态覆盖flexible overlay1.■柔性盖层[罩面]mechanical overlay1.■【刷】机械垫版names overlay1.■注记版Primaton overlay1.■【刷】普拉美顿垫版法program overlay1.■程序覆盖radarscope overlay1.■雷达显示器透明图real-time brush overlay1.■实时涂盖sand and gravel overlay1.■沙砾覆盖层spraying overlay1.■喷镀堆焊