The repair plan calls for the astronauts to first remove the failed unit, temporarily stow it and then move the new pump into position.

修复计划要求宇航员首先移除损坏的单元并暂时存放，然后将新泵安装到位。

youdao

The large one failed to stop the leak last week. That's what you are seeing here. The top hat will actually let engineers pump in antifreeze.

上周，比较大的围堵箱未能成功遏阻漏油，结果就是各位看到的这个情形。

youdao

The safety valve of the pump failed to work.

泵的安全阀失灵了。

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The Pentagon report concluded that KBR failed to ground a water pump at the building, and the company did not report improperly grounded equipment during routine maintenance.

CNN: Take back KBR bonuses, senators urge Pentagon

The valve that failed last Saturday was in a pump house, Cunha explained, so the seven-year risk analysis is still good.

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