生产夹砂管的关键设备是玻璃钢夹砂压力管缠绕机。
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.
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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