bolted pipe coupling是什么意思，bolted pipe coupling的翻译，bolted pipe coupling音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 5068 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/5678977.com/index.php on line 55
bolted pipe coupling是什么意思，bolted pipe coupling的翻译，bolted pipe coupling音标、读音、用法和例句_加林查网西语词典