套管内部腐蚀 internal casing corrosion
其他和未特指内部器官的腐蚀伤 Corrosion of other and unspecified internal organs
在役管道内部腐蚀及沉积程度的有效检测是石油、化工等部门亟待解决的问题。
Effective detection of the corrosion and deposit inside insulated pipes is a problem that must be solved in petroleum and chemical plants.
配水系统因内部腐蚀而产生的锈垢对供水水质造成二次污染，增大了供水成本。
The serious danger caused corrosion of the distribution water pipeline and the reasons of corrosion were analyzed in this paper.
鉴于某型舰用锅炉过热器破损的主因在于其内部腐蚀，而破损的主要方式是由管头的溃烂开始直至整个管头烂掉为止，导致管子的胀接松动而漏泄。
The main reason which causes the breakdown of marine boiler superheater is its inner corrosion, which is taken to be developed from the parts of tube top to entire top, and this leads to leakage.
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