Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/26385121a8a926203bdc8eacc35dc85a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 helical groove structure例句_helical groove structure英汉例句_helical groove structure双解例句_食材鋪反向词典
A theory for the analysis of the arbitrarily-shaped helical groove structure is obtained by means of an approximate field-theory. 採用近似場論的方法，獲得了一種分析任意槽形螺鏇槽結搆的普遍理論。