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Malleable Cam khwb cia hlau
Malleable cam khwb cia hlau Malleable cam khwb cia hlau yog dawb cam khwb cia hlau uas tau raug annealed.Kev kho cua sov annealing hloov cov qauv brittle raws li thawj cam khwb cia rau hauv daim ntawv malleable.Yog li ntawd, nws muaj pes tsawg leeg zoo ib yam li dawb cam khwb cia hlau, w ...Nyeem ntxiv