Surfaces to be welded or thermally cut shall be cleaned of all foreign material such as grease, oil, dirt, scale, slag and paint that would be detrimental to either the weld or base material.
需焊接或热切割的表面应排除所有可能会损坏焊材或母材的杂物，如脂、油、灰尘、水垢、熔渣和油漆等。
2
The article explores the composition and property of alkali slag cement-red soil base light wall partition.
研究了碱矿渣水泥-赤泥基轻质隔墙板的组成和性能。
3
The paper introduces the quality control methods and results achieved in construction of cement-stabilized steel slag pavement base.