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Nta thiab Cov Nqus Plua Plav Siv Cov Tooj Liab Tuag

Mar 11, 2020

Die-cam khwb cia tooj liab alloy muaj cov yam ntxwv tseem ceeb hauv qab no


 Yav tom ntej corrosion kuj


Npaum conductivity


Zoo heev kev sib txhuam


Qhov zoo elongation thiab tensile lub zog


Applicable nruab nrab thiab qis hardness


Xa kev nug