Because part of Wells are seriously corroded by H_2S and gas-field water containing sulfur, the cost of well workover increases steadily.

部分单井由于受h_2s和含硫气田水的严重腐蚀，修井费用日渐增加。

youdao

It is pointed out that the ordered part in the micro-district would possesses corroded, Mosaic, interwoven features.

可以指出，微域有序部分具有溶蚀镶嵌交织的形貌。

youdao

The plan is to concentrate on the most critical, complex and corroded part along the keel.

BBC: NEWS | Science/Nature | Landmark ship 'faces collapse'