The lining process of handmade glass fibrereinforcedplastics is finished and the quality is hard to control.
玻璃钢衬里施工一直以手糊法为主进行，因而施工质量难以保证。
2
Within the field of glass fibrereinforcedplastics (GFRP) pipes coiling molding, the design of coiling tension is one of the keys to guarantee the product quality.
在玻璃钢压力管材卷制成型工艺中，卷制张力的设计是保证产品质量的关键之一。
3
More recently, a effective idea is the way to replacing steel tendon or prestressing strands with the fibrereinforcedplastics or polymer in reinforcement concrete.