Warning: file_put_contents(/home/www/wwwroot/ndsq.cn/cache/c4377abe1455e13e975027527e18551f.txt): failed to open stream: No space left on device in /home/www/wwwroot/ndsq.cn/index.php on line 55 curl-up film roller例句_curl-up film roller英汉例句_curl-up film roller双解例句_开心英文字典_柠咚词
The performance of the polythene film collector was analyzed, and the loosening shovel and curl-up film roller were designed and developed. 该文在分析残膜回收机性能的基础上，对起膜机构与集膜机构进行了设计研究。