Using the reinforced CHY coasted glass fiber, no hot melt coating, and reduced the hot melt adhesive cost.

使用CHY覆膜玻璃纤维增强，不需要热熔胶涂敷，减少了热熔胶成本。

The latter established the Commission for Hydrological Meteorology, which by 1971 had evolved into the present CHy.

后者设立了水文气象学委员会，到1971年演变为今天的水文学委员会。