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。

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.

youdao

有菠萝皮渣与奶脂或植脂的独特混和香味，香气纯正， 细腻滑润，口感良好。

The pineapple bran food fiber biscuit has a mixed smell of the pineapple bran and butter fat or plat fat, genuine flavor, delicateness, smoothness and good taste.

youdao

有菠萝皮渣与奶脂或植脂的独特混和香味，香气纯正， 细腻滑润，口感良好。

The pineapple bran food fiber biscuit has a mixed smell of the pineapple bran and butter fat or plat fat, genuine flavor, delicateness, smoothness and good taste.

youdao