High-frequency welded round tubes are round tubes made by welding metal materials, mainly steel plates, together using the resistive thermal effect of high-frequency currents.
Ntxiv rau qhov siab - zaus welded raig kav, siab} zaus} zaus} cov kav dej ncaj, kev sib tw kav dej thiab lwm lub npe.
3. Tshooj tshwj xeeb ntawm kev tsim cov khoom ntawm high- zaus welded puag ncig lub raj17. Dab tsi yog qhov siab- zaus} zaus vivi cov yeeb nkab? Puas muaj lwm lub npe?
Aug 04, 2025
Xa kev nug
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