The leakage rate of building' s insulation roof is usually high, and its leak renovation problem has been longstanding, big and difficult.

建筑保温屋面渗漏率高，渗漏修缮是个老大难问题。

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S. astronauts aboard the International Space Station were told there was an ammonia leak in the cooling system.

美国国际空间站宇航员被告知空间站内冷却系统出现了氨泄漏突发事件。

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S end face sealing piece on-off not leak, mechanical properties and reliable.

端面密封片启闭不泄漏，机械性能可靠。

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Even before this oil leak, BP's safety policies were in doubt following major accidents in Alaska and Texas in the past decade.

VOA: standard.2010.06.18

NASA officials cleared the flight after technicians fixed a hydrogen leak in the shuttle's fueling system, which delayed the launch from last week.

VOA: standard.2009.03.15

The other would ensure that U.S.arms technology sold to India does not leak to third countries.

VOA: standard.2009.07.20

Last month's leak led to a pipeline system servicing up to 27 oil fields being shut down.

BBC: Cormorant Alpha

Thursday's leak came on the heels of several other problems at the plant.

WSJ: New Leak at Japan Reactor Threatens Ocean

Meanwhile, Mr Assange says he believes that "courage is contagious" and that Monday's leak would encourage other whistle-blowers to step forward.

BBC: Welcome to a new age of whistle-blowing