积分颜色有时被用在人造石头，但承包商更多地运用酸渍或丙烯酸涂料。
Integral colors are sometimes used in faux stone, but contractors more often use acid stains or acrylic paints.
牙齿上的残留物在口腔内会分解为糖和酸，腐蚀牙齿，形成牙渍。
Remnants of foods will break down in the mouth releasing the sugars and acids that cause damage and discoloration to teeth.
产品成分： 由多种有机酸组成，采用高浓度配方具有特强酸化作用，有效地清除各种顽固污渍，锈渍。
Product composition: the composition of a combination of organic acids, high concentrations of strong acid-based formula has a special role, effective way to remove all stubborn stains, rust stains.
产品成分： 由多种有机酸组成，采用高浓度配方具有特强酸化作用，有效地清除各种顽固污渍，锈渍。
Product composition: the composition of a combination of organic acids, high concentrations of strong acid-based formula has a special role, effective way to remove all stubborn stains, rust stains.
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