1. Qeexida flanges welded flat flange alxanka waa element muhiim u ah isku xidhka qalabka sida dhuumaha, valves, iyo bambooyin, sida caadiga ah ka samaysan carbon steel, ahama, ama alaabta kale ee daawaha, loo isticmaalo in lagu xidho laba qaybood oo tuubooyinka iyo bixinta shaabadeynta. iyo taageero. Inte...
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