Familiar with or a basic understanding of steel, plate, pipe material price.

熟悉或基本了解钢材，板材，管材等材料的价格。

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For HDPE pipe material, the weibull stress maybe an effective fracture parameter.

对于HDPE管道材料，威布尔应力可以作为有效的断裂控制参量。

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The pipe material for nozzle neck shall be seamless, unless otherwise approved by Purchaser.

设备口颈部应为无缝管材，除非买方另外批准。

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The material then bonds to the inside of the pipe and the resin cures or hardens, creating a new pipe within the pipe and restoring the integrity of the drain or sewer.

BBC: Sewer renovation work to begin in Glastonbury