blowout-preventer riser是什么意思，blowout-preventer riser的翻译，blowout-preventer riser音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 4810 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/5678977.com/index.php on line 55
blowout-preventer riser是什么意思，blowout-preventer riser的翻译，blowout-preventer riser音标、读音、用法和例句_加林查网西语词典