The change in spinning rate of the mold could prevent the cast pipe from the deformation.

通过改变铸型的转速可防止铸管的变形。

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And it was suggested to take our superiority in relatively lower labor cost and abound resources to exploit the cast pipe market abroad.

建议发挥我国劳动力成本低和资源丰富的优势，开拓国外市场。

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The utility model relates to an auxiliary accessory used for production of a ductile pipe casing enterprise, in particular to a novel supporting wheel for supporting a cast pipe to rotate.

本实用新型涉及球墨铸管企业生产用的辅助配件，特别指一种支承铸管转动的新型托轮。

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The HSE investigation focussed on the possibility of a faulty gas distribution system and found the cast iron mains pipe was sunk in sandy-gravelly soil that was classified as "very aggressive" to "moderately corrosive".

BBC: Shrewsbury gas explosion 'no-one's fault' HSE concludes

The corrosive nature of the ground soil and pressures from a nearby brick wall and telecom unit may have caused a fracture in the cast iron mains pipe, the HSE said in its report.

BBC: Police awards for Shrewsbury gas explosion rescue