Either van Gogh or another painter covered the first painting with the portrait now seen on the surface of the canvas.
无论是梵高还是其他画家，都用画布现今表面上看到的肖像覆盖了第一幅画。
The painting anticorrosive metal surface to achieve good expected effect, the first is the choice of materials, the second is the concrete construction technology.
金属表面的涂漆防腐蚀欲达到预期的良好效果，首先是其材料的选择，其次是具体施工工艺。
The painting anticorrosive metal surface to achieve good expected effect, the first is the choice of materials, the second is the concrete construction technology.
金属表面的涂漆防腐蚀欲达到预期的良好效果，首先是其材料的选择，其次是具体施工工艺。
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