
Subsoil; Exploration By Diggings (trial Pits) And Borings As Well As Sampling, Indications In The Soil
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Subsoil; Exploration By Diggings (trial Pits) And Borings As Well As Sampling, Indications In The Soil
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻