Weld paipu weld porosity pili ole wale i ka pipeline denseness, ka hopena pipeline leakage a me ka corrosion e induce koʻikoʻi i ka weld ikaika a me ka paʻakikī.ʻO nā kumu weld porosity ʻo ia ka: ke kahe i loko o ka wai, ka lepo, ka oxide a me nā filing hao, nā mea hoʻohui a me ka mānoanoa uhi ...
Heluhelu hou aku