常见例句双语例句It decomposes to isocyanic acid and phenol which will further more react with DCB to produce dicarbonate and ammonia when temperature is up 180 ℃.在180℃以上，DCB还将分解成酚和异氰酸，酚进一步与DCB反应生成碳酸二酯和氨； 返回 dicarbonate