The macro cell corrosion reaction is controlled by the concrete resistance when the absolute water saturated situation is not reached in the capillary system of concrete.
只要混凝土中毛细孔不是处于完全饱水状态，宏电池腐蚀反应即为混凝土电阻所控制。
2
The macro and micro characteristics of vacuolar corrosion were studied; a failure case of vacuolar corrosion of petroleum pipe of seashore well-drilling rig was discussed.
通过讨论海上石油钻井平台用管材空泡腐蚀失效的案例，研究管材空泡腐蚀的宏观特征和微观特征。
3
A test analysis is made on macro-failure and micro-failure characteristics, metallography and corrosion mediums of U-type stainless steel bellows type expansion joints leaked.