Do not use the days that water, sulfuric acid, acid wash surface.

不要用天那水，硫酸，酸液搽洗表面。

During the acid wash step, chemical contact is usually sufficient.

在酸洗过程中，化学试剂的接触通常式充分的。

Acid wash with deep indigo accents and ombre washes bring fresh accents to the market.

带有深色靛蓝亮点的酸洗与渐变色洗水为零售市场带来新鲜元素。

The limestone pieces were given an antique look with a unique finish of sandblast and acid wash.

石灰石砖在经过喷沙和酸洗加工后展现出独特的风情。

The results of acid wash with different acid concentration, reaction time and acid temperature were discussed.

主要考查了酸溶液的浓度、反应时间及酸溶液的温度等因素对灰份去除结果的影响。