“熔合”用英语怎么说？

蜡烛的底部和烛台熔合在一起.The bottom of the candle is fused with its holder.黄铜是通过铜和锌的熔合而成的.Brass is formed by the fusion of copper and zinc.人造玻璃是将各种不同类型的沙子熔合在一起制成的。Manufactured glass is made by fusing various types of sand....

“熔合”的拼音为：róng hé...