常见例句雙語例句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還將分解成酚和異氰酸，酚進一步與DCB反應生成碳酸二酯和氨； 返回 dicarbonate