corrosion pit蚀坑corrosionn.侵蚀；腐蚀；锈蚀corrosion resisting alloy耐蚀合金corrosion current density腐蚀电流密度Corrosion of FCC Gasoline催化裂化汽油腐蚀不合格的原因Corrosion characteristics腐蚀特征corrosion expansion crack锈胀开裂corrosionelectrochemistry腐蚀电化学Corrosion of chloride ion氯离子侵蚀corrosion of welding line焊缝腐蚀corrosion resistant metal耐蚀金属corrosion resistant alloy抗腐蚀合金,耐蚀合金