Boiler tubes cooled ka futhumatsang holim`a metsi tubes matha nako bala kapa ho senyeha ha tikoloho tshebetso, omileng, ka nako e khutšoanyane e le hore ka tšohanyetso ho eketseha ha mocheso oa phala tšepe, mocheso fihla ka holimo rated mocheso, e tensile matla a tšepe. ho fokotseha ho hoholo ...
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