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Tsis tooj liab Coated Er70s-6n
Cov yam ntxwv: Qhov no ntau lawm ntawm cov tooj liab coated vuam hlau txuas daws cov tooj liab cov teeb meem paug tsim nyob rau hauv cov txheej txheem ntau lawm thiab siv. Los ntawm kev siv cov txheej txheem tshwj xeeb passivation rau saum npoo ntawm vuam hlau, saum npoo yog kaj thiab huv, xeb kuj muaj zog. Hlau pub mis yog qhov ruaj khov, thiab cov xaim yog qhov tsim nyog rau lub sijhawm ntev hlau txuas. Daim Ntawv Thov: Tsis tooj liab tooj liab vuam hlau yog siv dav hauv cov thee mine machinery, cov tshuab ua vaj ua tsev, nkoj, bri ...
