結(jié)果表明,冷油器銅管的腐蝕屬于栓狀脫鋅腐蝕.The results show that the failure of oil - cooler is bolt - like dezincification corrosion.結(jié)果表明:凝汽器銅管的腐蝕屬栓狀脫鋅腐蝕.The failure was caused by dezincification corrosion.使用中的閥門如果遭遇脫鋅侵蝕,會(huì)在閥門外表產(chǎn)生白色粉末或礦物污點(diǎn).A...