Summarizing the variation law of tubing corrosion occurrence and development from various corrosion phenomena is a key link for solving the problem of tubing corrosion.

• 怎样从这些花样繁多的腐蚀现象中，总结出油管腐蚀发生与发展的变化规律，是解决油管腐蚀问题的关键环节。