Sprinkler pump shell cracks, or impeller, leaf damage, or seal damage, will affect the degree of vacuum, water pumping, water pressure is too small or the phenomenon.

洒水车水泵泵壳出现裂纹、或者叶轮、倒叶损坏、或者水封破损，都会影响真空度，出现水抽不上来，或者水压过小的现象。

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Last year saboteurs knocked out a Shell Oil pumping station in the south of the country that will take 18 months to repair.

FORBES: Magazine Article

The campaign forced Shell to stop pumping oil out of Ogoniland but it continues to operate pipelines in the region and spills have continued.

BBC: Nigeria Ogoniland oil clean-up 'could take 30 years'