(1) Ntxiv aluminium kom tsim nyog rau hauv lub lauj kaub galvanized; (2) Txo qhov chaw sib cuag ntawm cov zinc molten saum npoo thiab cua los ntawm kev siv lub lauj kaub me me -inch galvanized; (3) Txo qhov kub ntawm zinc molten kom tswj nws ntawm qhov qis ntawm cov txheej txheem kub; (4) Tsis txhob siv siab - ntim cov khoom tshem tawm plua plav ntawm cov zinc molten; (5) Ua haujlwm "txo txoj kev tiv thaiv roj" kom cais tawm feem ntau ntawm cov zinc molten saum huab cua; (6) Npog lub molten zinc nto nrog ib txheej ntawm activated carbon kho nrog boric acid, los yog ib tug sib tov ntawm diatomaceous ntiaj teb thiab txhuas oxide; (7) Xyuas kom cov kuab tshuaj ntawm cov yeeb nkab steel qhuav.
70. Dab tsi yuav siv tau los txo qhov tsim ntawm zinc tshauv?
Feb 03, 2026
Xa kev nug
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