LSAW Pipe (Longitudinal Submerged Arc-Vuam Yeeb), kuj hu ua SAWL yeeb nkab.Nws yog noj cov phaj steel li raw khoom, pwm nws los ntawm lub tshuab molding, ces ua ob-sided submerged arc vuam.Los ntawm cov txheej txheem no, LSAW steel yeeb nkab yuav tau txais cov khoom zoo heev, weld toughness, uniformity, ...
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