surface stain

This article introduces causes of aluminium foil surface oil stain and sticking.

介绍了铝箔表面产生油斑和油粘的原因.

Effects of basic coating performance of stain resistance were studied in the light of drying time, hardness and surface tension of the coatings.

从涂料干燥时间、硬度和表面张力出发，研究了这些基本性能对涂料耐沾污性的影响。

Cleaning the oil stain rust of the welding surface befe welding, choosing suitable welding stard.

焊前须将焊件表面的油污及铁锈清理干净，选择适宜的焊接规范。

The Failure Stress Condition on the Maximum Cyclic Shear Surface Associated with the Failure Stain Criterion of Flyash

粉煤灰最大往返剪切作用面上应变破坏标准的应力条件

Surface borehole diameter and casing diameter as well as characteristics of filling materials can be achieved by calculating the horizontal movement and vertical stain at different depths.

通过计算地表钻孔在不同深度的水平位移和垂直变形可确定钻孔直径和所需安设套管的直径及套管外充填材料的性能。

Surface defects or stain, revealed in the form of a definite difference.

暗地弊端或瑕玷, 呈现的步地有必定的差别.