ring and groove joint是什么意思，ring and groove joint的翻译，ring and groove joint音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 5944 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55
ring and groove joint是什么意思，ring and groove joint的翻译，ring and groove joint音标、读音、用法和例句_耀久九英英词典