衬里管道的weep hole起什么作用？谢谢？ 请问衬里管道的weep hole起什么作用？有泪孔不是会从那里产生腐蚀吗？请问下面这段怎么翻译？谢谢！ pipe linings may be applied internally to protect the pipe from thermal, corrosive or erosive conditions. in the event of lining failure the pipe will be exposed to conditions for which it was not designed. it is the possibility of lining failure which must be taken into account when prioritizing within a category. another factor affecting lined pipe is the proliferation of sub-surface corrosion of the shroud pipe particularly around weep holes, which will result in corrosion that can significantly reduce the pipe strength. 查看更多
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