Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/f8fa8f0c325c6b460ee24fd4b8bae215.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 backward welding例句_backward welding英汉例句_backward welding双解例句_歐米惠必应词典
The success of developing self-automatic welding equipment for coach roof-hood has solved the problem that the production technology of coach roof-hood is backward. 客車頂蓋矇皮自動點銲設備開發的成功，解決了客車頂蓋矇皮生産工藝落後的問題。