He wiped a thin coat of dust of the plate with his sleeve.
他用袖子揩去盘子上一层薄薄的灰尘。
The retaining plate can prevent dust from entering into the controller.
挡板防止灰尘进入控制器内。
Smooth flat plate surface, greatly reducing the dust and dirt accumulation.
板面平直光滑，大大减少了灰尘污垢积聚。
Smooth flat plate surface, greatly reducing the dust and dirt accumulation.
板面平直光滑，大大减少了灰尘污垢积聚。
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