The cover layer on one side of basin has double structure.
盆地一侧的盖层具有双重结构。
To cover with a thin protective layer.
地面上覆盖着一层积雪。
To cover with a layer, as of paint.
汽车上覆盖着一层厚灰。
To cover with a thin protective layer.
汽车上覆盖着一层厚灰。
To cover with a thin protective layer.
保护内部表面的保护层。
To cover with a thin protective layer.
保护内部表面的保护层。
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