特种有机硅氟聚合物保护砂岩文物的研究 关键词：有机硅氟聚合物；砂岩；防水；保护 [gap=729]Key Words：organic fluorosilicone polymer；sand stone；water resistance；protection
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Teak Sand Stone 印度沙石
China Sand-Stone Association 中国砂石协会
sand-stone-washing machine 螺旋洗矿机
New Red Sand-stone 新红砂岩
SAND STONE AND GRANIT TILE 瓷砖等
sand stone soil 砂岩土壤
Blue Sand Stone 蓝金砂
sand-stone euipment 砂石设备
N-MASS Sandstone is a type of rock which contains a lot of sand. It is often used for building houses and walls. 砂岩
...the reddish sandstone walls.
…微红的砂岩墙。
Dust and sand stone dust is not the juvenile, the clear river stones is not fun and the tears shed by green plants is not a rock fresh lover, the animals are not running stone and lively subjects?
尘埃和沙子是不是石头飞扬的幼年，清清河水是不是石头缤纷的眼泪，绿色植物是不是石头鲜嫩的情人，奔跑的动物是不是石头活泼的子民？
He cried, "Help!" The taller boy asked him, "After I hurt you, you wrote it in the sand, but now you carved it on a stone."
他喊道：“救命啊！”个子高的男孩问他：“我伤了你之后，你把它写在沙子上，现在却把它刻在石头上。”
USES material not qualified. Such as sand, stone, aggregate quality unqualified; In addition, mostly because cement volume expansion rate is too large (stability serious adverse).
所用材料不合格。如砂、石、集料质量不合格；除此之外，大多数是因为水泥体积膨胀率太大(安定性严重不良)。
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