It has gone along with a costly American-funded scheme to sink a steel barrier into the ground along its Gaza border in order to block the tunnels from Egypt that have become Gaza's lifeline.

它还施行了一项由美国资助的耗资巨大的工程，沿埃及与加沙的边境向地面打入一道钢铁屏障，从埃及一侧封堵住无数的地下通道，这些通道是加沙赖以存活的生命线。

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Volvo's steel cargo barrier, however, is a bit pricier: $345.

而沃尔沃的钢化栅栏则有些昂贵，高达345美元。

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A carbon steel liner is utilized to provide a leak proof vapor barrier for containment of concrete construction.

为防止混凝土结构的安全壳泄露，其内部有碳钢的衬垫。

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The inquest had heard earlier that the steel barrier was at the exit of the store and was swung around at night to stop skateboarders and joyriders using the car park.

BBC: Last Updated: Monday, 6 March 2006, 19:55 GMT

The original peat central barrier has been replaced with concrete and steel, while the Belfast end has been widened to three lanes each way.

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In the design of the well, the company apparently chose a riskier option among two possibilities to provide a barrier to the flow of gas in space surrounding steel tubes in the well, documents and internal e-mails show.

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