Warning: file_put_contents(): Only 0 of 6014 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55 vinylon例句_vinylon英汉例句_vinylon双解例句_耀久九英英词典
In 1957 we decided to import the technical data and equipment for manufacturing vinylon, but that decision was held up somehow. 本来一九五七年我们已经决定从国外购买生产维尼纶的资料和设备，后来耽误了。