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疏于维护

疏于维护

疏于维护

疏于维护

1

The leaks are the result of bad maintenance of pipes as well as sabotage .

这些泄漏是因为疏于维护和蓄意破坏造成的。

2

By the 19th century , the canal fell into disrepair thanks to neglected maintenance , a major flood, and heavy pollution .

到 19世纪，由于疏于维护，大洪涝和污染严重，大运河的命运陷入塌毁的境地。

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