Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/29fc054d543feeeb88756a4ff20c7c76.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 butt clamp例句_butt clamp英汉例句_butt clamp双解例句_94生活常识网有道词典
Aiming at the attachment process requirements of the U structural section's flash butt welder, the special gas-liquid drive gear and pressure clamp system were designed. 針對U型鋼專用閃光對銲機的連接工藝要求，設計了專用氣液聯控的傳動機搆和增壓夾緊機搆。