Aluminium flange yog ib qho khoom siv uas txuas cov kav dej, lub valve, khoom siv, thiab lwm yam, thiab feem ntau yog siv hauv kev lag luam, kev tsim kho, kev lag luam tshuaj, kev kho dej, roj, roj thiab lwm yam kev lag luam.Aluminium flange yog ib feem ntawm kev sib txuas ntawm cov yeeb nkab thiab cov yeeb nkab, lub luag haujlwm tseem ceeb yog siv rau t ...
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