The concentration of nitrogen and ammonia has no effect on purging efficiency.
氨氮浓度的高低对吹脱效率影响不大。
The practical application in field shows that, this technology has high purging efficiency and vast application vistas.
现场实际应用表明：该技术具有高效率的清扫效果和广阔的应用前景。
The efficiency hawks, he said, emphasize standardized testing, cracking down on poor school management and purging bad teachers.
他谈到，强硬派强调的是标准化考试，取缔落后的学校管理，淘汰不合格的老师。
The efficiency hawks, he said, emphasize standardized testing, cracking down on poor school management and purging bad teachers.
他谈到，强硬派强调的是标准化考试，取缔落后的学校管理，淘汰不合格的老师。
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