
Plastics piping systems for non-pressure underground conveyance and storage of non-potable water - Test method for determination of short-term compression strength of boxes
出版:Comite Europeen de Normalisation

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Plastics piping systems for non-pressure underground conveyance and storage of non-potable water - Test method for determination of short-term compression strength of boxes
出版:Comite Europeen de Normalisation
专家解读视频