In order to reduce corrosiverate, zinc plated parts are usually chromatized.
为减少锌镀层的腐蚀速率，通常采用铬酸盐钝化。
2
Based on the resistance method, a method to measure the soil corrosiverate of pipe material reliably is established through improving measuring technology in the paper.
在电阻法的基础上，通过改进测试技术，建立了一种可以获得可靠管材土壤腐蚀速率数据的测试方法。
3
On the basis of this, an automatic measurement technique of fatigue crack length in fatigue crack growth rate test under corrosive circumstance is established.