在树脂磨具制造中，树脂液的粘度是一项重要指标。
The viscosity of liquid resin is an important index for manufacturing resin bonded abrasive products.
结果表明，玻璃纤维的加入不影响树脂磨具的硬度。
The results show that adding glass fibre does not impair the hardness of the grinding wheel.
这种材料通过挤拉成型技术制造，大量的玻璃纤维通过磨具抻拉并充满树脂。
The material is produced by a technique called pultrusion, in which thousands of strands of glass fibre are pulled through a mould and impregnated with resin.
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