Remove pipe plug covering the valve enclosure.

拆卸盖在阀门外壳上的管道塞。

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The article deals with the computer software system for the plug pipe mill, covering such aspects as functions, structure and configuration of hardware and software.

介绍了自动轧管机组计算机软件系统的功能与结构、硬件与软件的配置。

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Presented in the paper is an introduction of the rotary pointing machine for steel pipe cold drawing covering such aspects as working principle, major technical data as well as performance advantages.

介绍了研制的回转式钢管冷轧头机工作原理、主要技术参数及优点。

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Environment Agency Wales says the fish passed through the mesh covering an inlet pipe while the lake was being emptied for a safety inspection.

BBC: Dead fish

But investigators found that due to their small size, the perch and roach passed through the mesh covering an inlet pipe while the lake was being emptied, and died as a result.

BBC: Dead fish