(见表5) 表5 upf范围 防护等级(protection category) 15-24 防护效果良好(good protection) 25-39 防护效果很好(very good protection) 40-50，50 防护效果极佳(excellent protection) 7·3 变色褪色法 利用光敏染料染色的...
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very good protection 防护效果很好
Good Protection Result 良好保护效果
Good Protection against Corrosion 非常好的防锈保护
Good protection of old buildings 好好保护老的建筑
Protection From Good 防护善良
Good wear protection 良好的抗磨损保护
Good Impact Protection 良好冲击保护
very good corrosion protection 极优的防腐蚀性能
His dustcoat provided him with good protection against rain.
他的风衣能够很好地为他挡雨。
Because the identity of the user's data is sensitive and needs good protection.
因为用户的身份数据是敏感的，需要很好的给予保护。
Only in each column over-voltage protector installed on each phase can get good protection effect.
只有在每柱每相上安装过电压保护器才能得到好的保护效果。
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