Warning: file_put_contents(): Only 0 of 5231 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 国产午夜成人精品视频APP,中文字幕AV
This paper gives the design method and key point during machining of pin holes on rotor for the fork-type blade root. 論述了轉(zhuǎn)子叉形齒葉根銷孔加工用鑽模的設(shè)計(jì)方法及制造時(shí)關(guān)鍵要點(diǎn)。