Warning: file_put_contents(): Only 0 of 6689 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/oclz.com/index.php on line 55 permanent ship-lock是什么意思，permanent ship-lock的翻译，permanent ship-lock音标、读音、用法和例句_菜篮子兴趣思朗文词典
The welding process and method for the inverted-V gate of the permanent ship lock of Three Gorges project is outlined in this paper. 介紹了“三峽永久船牐人字門”銲接工藝過程及所採用的方法。 d.wanfangdata.com.cn