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.

youdao

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.

youdao