The third containment is a hermetically (air tight) sealed, very thick bubble of the strongest steel and concrete.

第三个容器是严格密封的，用很厚的钢铁和混凝土打造的气泡状容器。

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The interference fit between the gate and seat provides bubble tight shutoff even under the lowest pressure.

即使在最低的管线压力下，闸板与阀座之间的配合也能够实现气泡级密封功能。

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The Bi-Directional Knife Gate Valve provides bubble tight shutoff in both directions up to full rating of the valve.

这种双向刀闸阀在阀门压力等级下，任何方向均可实现气泡级密封关闭功能。

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The Bank of Japan allowed deflation to develop when it held policy too tight, partly because it was worried about another asset-price bubble.

ECONOMIST: It is time for the Fed to start raising interest rates

The IMF said there was an increasing risk of a property bubble due to an abundance of global liquidity, record-low interest rates and an unusually tight supply of new housing in Hong Kong.

FORBES: Hong Kong's Top Tycoons Lose Steam