Bonding yeeb nkab cov pob qij txha, qhov twg ob los yog ntau qhov chaw siv ib qho kev sib txuas ntawm cov welded pob qij txha, los yog hais txog ob los yog ntau qhov chaw txuas los ntawm vuam cov pob qij txha, suav nrog welds, fusion zone thiab tshav kub cuam tshuam. Welded pob qij txha thaj Tom qab haum cov hlau thiab muab tub lim hlau melts ceev ceev Youyi tsim tom qab cooli ...
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