requalification meaning in English

重新质量验证

Inspection and requalification of lpg tanks greater than 13 m3 overground
超过13m的地上液化石油气罐的检验和验证
Inspection and requalification of lpg tanks greater than 13 m3 underground
大于13m的地下液化石油气罐的检验和验证
Inspection and requalification of lpg tanks greater than 13 m3 overground
大于13m的地上液化石油气罐的检验和再次合格审定
Inspection and requalification of lpg tanks greater than 13 m3 underground
大于13m的地下液化石油气罐的检验和再次合格审定
Inspection and requalification of lpg tanks greater than 13 m overground ; german version en 12819 : 2002
地上储存容量大于13立方米的液化石油气储罐的检验和

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