This pulp rubbed gently on the face and the skin polishes the area, clearing it of all impurities that cause pimples, black heads and spots.
轻轻擦在脸上和皮肤的这种纸浆会使这些区域变得光亮，清除所有导致丘疹、黑头和斑点的杂质。
From pulp chamber to root apex, the diameter, the density and the mean percentage area of tubular openings all reduced gradually.
从髓室自根尖方向，牙本质小管口的直径、密度和相对面积均逐渐减小。
Lignin extraction can be improved through adding the paper pulp cleaning agent into a clean area (212) and a paper pulp cleaning part (30).
通过将这种纸浆清洗剂添加到清洗区(212)和纸浆清洗部(30)，可以改善木质素提取。
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