The article mainly analyses the causes that make dry concrete surface fading, and takes measures to keep the dry concrete luster for ever.
文中着重阐述了清水砼表面光泽退化的原因分析及采取措施保持清水砼表面长久光泽。
L-Ascorbic acid (VC) also can accelerate the synthesis of collagen, to make your skin tighten and elastic, and represent the charming luster.
左旋VC还可促进胶原蛋白的合成，使皮肤紧致有弹性，重现迷人光彩。
After using it, it can make the skin fair and clear, radiate healthy and natural luster.
用后肤质白皙、透明，散发健康自然光泽。
Help to lighten the stain, whiten the color and rebuild collagen fiber layer to make the skin present young and white luster.
同时帮助淡化色斑，净白肤色，重建胶原蛋白纤维层，肌肤绽放年轻白晢的光彩。
Help to lighten the stain, whiten the color and rebuild collagen fiber layer to make the skin present young and white luster.
同时帮助淡化色斑，净白肤色，重建胶原蛋白纤维层，肌肤绽放年轻白晢的光彩。
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