The association packing of the double sealed ring, has prevented outside from letting out.

双重密封环的组合填料，避免了外泄漏。

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Tightly sealed to prevent air leaks, the house was equipped with small double-paned windows and several other energy-saving features.

为了严格密封，防止空气泄漏，房子配备了小型双层玻璃窗户和其他几种节能的设备。

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The rugged construction is double-sealed to prevent water and dust ingress even during site wiring.

坚固的建筑是双重密封，以防止水和灰尘进入即使在现场布线。

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Barkley drew England level then his late double sealed an unconvincing win.

BBC: Aussie Barbarians 9-15 England

He swiftly sealed the double-break, set up by a backhand return winner up the line, followed by his opponent dumping a meek forehand into the net.

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Ian Chiddicks, contracts manager at Solent Environmental Services insisted the asbestos was "double-bagged" and the sealed skips and premises were kept secure.

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