Pail-ntim alloys
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Pail-ntim alloys
Lub lauj kaub-packing hlau yog ib hom ntawm peb cov khoom tshiab. Txais cov thev naus laus zis siab dua, cov hlau muaj qhov hnyav thiab linear zoo li cas rau hauv cov pob yas hloov pauv me me uas koj yuav tsum tsis txhob tsim tas li.