生产夹砂管的关键设备是玻璃钢夹砂压力管缠绕机。

The winding machine is the key to produce FRP.

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目前，我国已经能够自主生产玻璃钢夹砂压力管缠绕机。

At present, China has been able to produce their own SGFRP winding machine.

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长江引水三期工程采用大口径玻璃钢夹砂管，是首次在软土地基上敷设。

Large diameter GRP sand pipe used in Changjiang Water Diversion Project (III) is paved for the first time in the soft ground.

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