fibreglas造句

• With the combination of fibreglas and resin the gas content of the material was replaced by plastic.
• Some fibreglas bells were used on the midrange horn, as well as metal, in the late 1950s.
• A suitable resin for combining the " fibreglas " with a plastic to produce a composite material, was developed in 1936 by du Pont.
• These boards comprise an insulator substrate, eg fibreglas or phenolic, about 1.6 mm thick, on which copper tracks are manufactured.