This machine is applicable to polish the edge of the cut leather and then rough it. The attached dust-collection device keeps the air fresh.

本机适用于皮面截断后磨边及打粗用，另附集尘器可保空气清新。

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When traveling by plane, we often stay strapped in for the whole flight, in case of unexpected rough air.

航空旅行时，我们通常在整个旅程中都系着安全带，以防遇到意外的恶劣气候。

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Other problems can come when the plane hits a rocky air stream or rough weather.

当飞机遇到波动气流或坏天气时也可能出现问题。

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The brown, rough-textured walls of the grand open-air lounge and dining area contain built-in shelves that display sculpture, porcelains, paintings and other art objects.

FORBES: Bush Baby

Every high-flying market is bound to find patches of rough air, and the charts show a potential decline is in store.

FORBES: The Week Ahead: Time to Buckle Up