Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/9ca0f7ec62c33feca931b855de825264.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 semiaxis例句_semiaxis英汉例句_semiaxis双解例句_流逝汉英词典
The process of vacuum electron beam welding for rear-axle housing semiaxis of coach was introduced and the major problems in the process of welding was analysed. 介紹了用真空電子束銲接大型客車後橋殼半軸的工藝方法，竝就銲接過程中存在的主要問題進行了分析。