Warning: file_put_contents(): Only 0 of 7349 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 polyesterimide例句_polyesterimide英汉例句_polyesterimide双解例句_开心英文字典_柠咚词
The structure and composition of polyesterimide immersion varnishes were analyzed by means of spectroscopy and chemical methods,providing valuable data for synthesis. 通过光谱和化学方法对聚酯酰亚胺浸渍漆结构和组成进行了分析，为合成提供了有价值的数据。