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Cov teeb meem tshwm sim hauv High-Frequency Welded Round Pipe Production - Kev suav nrog hauv Weld Seam

Ua rau: Thaum lub sij hawm vuam txheej txheem, hlau oxides los yog lwm yam impurities tsis raug tshem tawm tag thiab tau daig nyob rau hauv lub weld seam.

Kev daws: Kho qhov vuam tsis ua kom ntseeg tau tias cov hlau molten thiab oxides tuaj yeem raug tshem tawm tau zoo; tsis tu ncua tshuaj xyuas thiab tswj cov cuab yeej los xyuas kom meej qhov chaw vuam huv.