保存时应用清洁纸张或布料把面包完全包住。

Then, it should be covered completely with clean paper or cloth.

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应用清洁，晚上你睡觉前脸和脖子。

Apply to clean face and neck at night before you sleep.

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同时列举了清洁压裂液在大庆油田的现场试验数据，充分说明了研究和应用清洁压裂液的深远意义。

The experimental data in Daqing Oil Field were given to make the point of significance of studying cleaning fracturing fluid.

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