The cloth should be laid flat.

布应展开平放。

《牛津词典》

Cover the flat shovel by a wiping cloth dipped in diluted detergent, clean out the dust and dirt in the narrow slit of the air outlet.

将平头铲用抹布包裹起来浸湿稀释的清洁剂，用它莱清洁出风口的窄逢。

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The company's Freedom brand "Gabriel" flat emery cloth round of series regardless of workmanship, appearance, or usefulness of speaking, have reached the most advanced production standard.

本公司的自由品牌“百利”平面砂布轮系列无论做工，外观，还是实用程度上来讲，都达到了国内最先进的制作水平。

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Natives fingered the strangers' beards, patted flat the wrinkles on their garments (perhaps thinking the cloth was skin), and wondered at their trade goods.

NPR: Unearthing History in 'A Voyage Long and Strange'