Avoid physical contact with the area from the time of the first symptoms (tingling, itching, burning) until all sores are completely healed, not just scabbed - over.
从第一次症状(刺痛感、痒、灼烧感)开始就避免接触局部，直到疼痛感全部消失而不是仅仅结痂后。
The invention solves the technical problem that the evaporation room outlet is not scabbed and blocked as extracting sodium sulfate and the extracting operation is continuous and does not stop.
本发明需要解决的技术问题是设计一种从含盐和氨的废水中提取硫酸钠的方法，用这种方法提取硫酸钠时蒸发室出口不产生结疤和堵塞，提取作业连续不停产。
The invention solves the technical problem that the evaporation room outlet is not scabbed and blocked as extracting sodium sulfate and the extracting operation is continuous and does not stop.
本发明需要解决的技术问题是设计一种从含盐和氨的废水中提取硫酸钠的方法，用这种方法提取硫酸钠时蒸发室出口不产生结疤和堵塞，提取作业连续不停产。
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