jet drilling bit design是什么意思，jet drilling bit design的翻译，jet drilling bit design音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 4826 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/cp667.com/index.php on line 55
jet drilling bit design是什么意思，jet drilling bit design的翻译，jet drilling bit design音标、读音、用法和例句_淳朴汉英词典