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1. During the vacuum blasting process, the air is exhausted from the area to be treated.
在真空爆破过程中，从待处理区域排出空气。
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2. The vacuum blasting method is widely used in the manufacturing industry for its efficiency and minimal environmental impact.
真空爆破方法因其高效性和最小化环境影响而广泛应用于制造业。
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3. In this case, the vacuum blasting was used to remove the surface contaminants before the paint application.
在这种情况下，使用真空爆破去除表面污染物，以便在涂装前进行处理。