...material, procurement of materials stored too long, material properties may be affected 防止腐蚀 ? Preventing corrosion 今年暑假只去游了一次泳，想起来真遗憾，唉。一开始是没有时间，因为种种原因，当有时间的时候天气却转凉呢。
The measures for preventingcorrosion were emphatically described.
重点介绍了防腐蚀所采取的措施。
2
It is shown that the most important methods of preventingcorrosion are to control the temperature, to control the oxygen and Fe bacteria contents.
结果表明，控制套管内的温度和注入水中的氧气、铁细菌含量是控制套管腐蚀的重要途径。
3
Lab experiments show that such tubing collar is feasible to some degree in preventingcorrosion of the screw thread of water cycling pipe, thus extending the service life of water cycling pipe.