探讨了在快速锈蚀条件下，按法拉第定律的电化学锈蚀控制方程来估算钢筋锈蚀深度的合理性。
And the reasonability of estimating the corrosional depth of steel, by using Faraday's Law and under accelerated corrosion conditions, is discussed.
分析了影响混凝土保护层胀裂时钢筋锈蚀深度的各个因素，包括混凝土水泥石毛细孔的体积、混凝土保护层的厚度、钢筋直径和铁锈膨胀率。
The factors influencing the corrosion depth including the porous volume of concrete, thickness of concrete cover, diameter of rebar and the corrosion expansion rate are analyzed.
填料：填料内含防腐剂，避免锈蚀阀杆。深度填料函确保较长的填料使用寿命。
Packing : packing contains corrosion inhibitor to avoid stem pitting . stuffing box is deep , assuring long packing life.
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