ERW welded tšepe pipe: high-frequency resistance welded pipe, e entsoe ka poleiti ea tšepe e chesang, ka mokhoa o tsoelang pele oa ho etsa, ho khumama, ho tjheseletsa, phekolo ea mocheso, boholo, ho otlolla, ho itšeha le mekhoa e meng. Likarolo: Ha ho bapisoa le spiral seam e kentsoeng ka tlas'a metsi arc tšepe e cheselitsoeng ...
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