基本解释波良同根派生 Polyan相关词英汉例句The novel methods and the new chances for coal's nonfuel application are provided by coal based polyaniline.The coal based polyan... 同时,煤基聚苯胺也为煤的非能源利用提供了新途径和新机遇,具有一定的推广价值。Polyan更多例句