Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/29d2f83186ff5587f52e05921cec258b.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 barrel-type casing例句_barrel-type casing英汉例句_barrel-type casing双解例句_食材鋪反向词典
New manufacturing method of non-standard flange on barrel type casing is introduced, and cold metal work is detailed. 介紹了筒型壓縮機機殼上異型法蘭的加工新方法，較詳細地介紹了具躰的冷加工工藝。