A subterranean flow of briny water could rearrange sand grains or alter surface roughness in a way that darkens its appearance.
地下水流的流动会使得沙粒积累，并使得表面变得粗糙，从而颜色更深。
By setting up mechanical sand barriers on degenerated Haloxylon ammodendron woodland, the roughness of woodland increased; the wind speed an.
布设机械沙障可使退化梭梭林地表粗糙度增大，林内近地面层风速、输沙量显著下降。
When using in moulding sand, it can promote oriental solidification of castings and prevent burn-on and sand inclusion of castings, and improve roughness of castings.
在铸造生产中可以促进铸件的方向性凝固，防止粘砂、夹砂等铸造缺陷和改善铸件表面粗糙度。
The use of coal-dust with high lustrous carbon in molding sand can improve surface roughness of the castings.
光亮碳高的煤粉用于型砂，可降低铸件表面粗糙度值。
The defects of casting technology and the impurities in copper alloy material cause roughness of faucet surface with large amounts of sand holes.
铸造技术不完善、铜合金原料中的杂质致使水龙头零件表面疏松，并有大量砂眼。
The interfacial roughness is described quantitatively with average depth of sand pour method.
粘结面的粗糙度以灌砂平均深度定量描述。
The interfacial roughness is described quantitatively with average depth of sand pour method.
粘结面的粗糙度以灌砂平均深度定量描述。
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